有幸用两个软件的模拟了下指定一个200 公里的长输管线，基本上都是油，其中我们算的都是指定进出口压力的状态，算管道可允许的最大流量问...
1.管架零部件AttachmentofSupport管托shoe管卡clampU形夹（卡）clevis锻制U形夹forgedsteelclevis支耳；吊耳lug;ear耳轴trunnion止动挡块sh...
NPT螺纹简要尺寸管子公称尺寸in1/161/81/43/81/23/411¼1½22½33½4管子外径in0.31250.4050.5400.6750.8401.0501.3151.6601.9002.3752.875...
Pipethread管螺紋TwocommonPipethreadsizesexist,thetaperedNationalPipeThread(NPT)andthestraightNationalStandardFree-FittingStraightM...
