常見例句雙語例句Second, the electric submersible pump connected to the pipe thread pretightening force enough (or not pre-torque).第二,電潛泵各管螺紋聯(lián)接的預(yù)緊力不夠(或預(yù)緊扭矩不夠)。blog.sina.com.cnThe circulating situation of idler pulleys and impellers, as an important part of a electric submersible pump, determines the flow-rate of the pump to a great extent.作為潛油電泵重要組成部分的導(dǎo)葉輪,其流道的暢通情況直接決定了潛油電泵的排量。The wellhead cable penetrator is a kind of device for penetrating the tubing hanger and upper flange to connect the electric submersible pump and surface power at the production wellhead of ESP.井口電纜穿越器是電潛泵采油井口上用于貫穿油管掛和上法蘭,并連接電潛泵和井上電源的一種裝置。 返回 electric submersible pump