免费无码在外自慰喷水

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              72014222516
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              ??????????????GB??T3421??1982??
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              350??28
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              DN200
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              ??????????????GB??T3421??1982??
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              (1)???????
              ?в????????
              R=C+E  R1=C R2=E
              ?в???????????
              ??????
              DN??mm
              ??????磯mm
              a
              b
              c
              e
              75??450
              15
              10
              20
              6
              500????
              18
              12
              25
              7
              ?????????????????????
              ??????
              DN??mm
              ???mm
              ?????mm
              ??
              D2??mm
              ??Ч?????mm
              ?п????????
              ??kg
              ??????????
              ??kg
              ???1m????
              ??kg
              T
              D1
              5000
              6000
              ????????kg
              P??
              G??
              P??
              G??
              P??
              G??
              P??
              G??
              P??
              G??
              200
              8.8
              10.0
              202.4
              200
              220.0
              227.0
              254.0
               
               
              16.30
              0.382
              42.0
              47.5
              250
              9.5
              10.8
              252.6
              250
              271.6
              303.0
              340.0
               
               
              21.30
              0.626
              56.3
              63.7
              300
              10.0
              11.4
              302.8
              300
              322.8
              381.0
              428.0
              452.0
              590.0
              26.10
              0.741
              70.8
              80.3
              350
              10.8
              12.0
              352.4
              350
              374.0
               
               
              566.0
              623.0
              32.60
              0.857
              88.7
              98.3
              400
              11.5
              12.8
              402.6
              400
              425.6
               
               
              687.0
              757.0
              39.00
              1.460
              107.7
              119.5
              450
              12.0
              13.4
              452.4
              450
              476.8
               
               
              806.0
              892.0
              46.90
              1.640
              126.2
              140.5
              500
              12.8
              14.0
              502.4
              500
              528.0
               
               
              950.0
              1030.0
              52.70
              1.810
              149.2
              162.8
              600
              14.2
              15.6
              602.4
              599.6
              630.8
               
               
              1260.0
              1370.0
              68.80
              2.160
              198.0
              217.1
              700
              15.5
              17.1
              702.0
              698.8
              733.0
               
               
              1600.0
              1750.0
              86.00
              2.510
              251.6
              276.9
              800
              16.8
              18.5
              802.6
              799.0
              836.0
               
               
              1080.0
              2160.0
              109.00
              2.860
              311.3
              342.1
              900
              18.2
              20.2
              902.9
              899.0
              939.0
               
               
              2410.0
              2630.0
              136.00
              3.210
              379.1
              415.7
              1000
              20.5
              22.6
              1000.0
              955.8
              1041.0
               
               
              3020.0
              3300.0
              173.00
              3.550
              473.2
              520.6
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              1.?????????????????????7.20g??cm3.
              2.??????=???1m????????Ч????+?в?????????(????????????????????λ??Ч????)??
              (2)????
              ????????????????????
              ??????DN??mm
              ???????mm
              200??450
              1.51
              >1500
              1.251
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                    2.?????????????????????
              (3)??????
              ???????????????????WP???????0.30????????Ws???????0.10????
              (4)????????????
              ??????????
              ??????DN/mm
              ????????bbMPa
              ??300
              340
              350??700
              280
              ??800
              240
              ????????????????????
              ???????
              ??????DN/mm
              ?????????MPa
              P??
              ??450
              2.00
              ??500
              1.50
              G??
              ??450
              2.50
              ??500
              2.00

               



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              免费无码在外自慰喷水
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