基本解释

• [机械工程]阀道流动阻力

英汉例句

双语例句

• The valve is installed underground pipelines. Its drive type adopts wrench ; Through way flow passage and low flow resistance;
  安装在地下管路，传动方式采用扳手，直通式管道，流阻小；
• 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.
  全通径结构保证通道内径与管线内径一致，不但使流体阻力最小，也便于清洁通道。
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专业释义

机械工程

• 阀道流动阻力