valve passage resistance
常見例句
- 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?。?/li> - 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(jié)構(gòu)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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