valve passage resistance

基本解釋

• [機械工程]閥道流動阻力

英漢例句

雙語例句

• The valve is installed underground pipelines. Its drive type adopts wrench ; Through way flow passage and low flow resistance;
  安裝在地下管路，傳動方式采用扳手，直通式管道，流阻??；
• Full diameter structure of ball valve ensures the conformity of inside diameter of passage and pipeline, with the fluid resistance minimized and easy for cleaning pipeline.
  全通徑結構保證通道內(nèi)徑與管線內(nèi)徑一致，不但使流體阻力最小，也便于清潔通道。
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專業(yè)釋義

機械工程

• 閥道流動阻力