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vent and drain valve 添加释义

网络释义

  通风口和排水阀门

6. Safety valve along with its outlet piping and downstream piping of such valves as steam blow off valve,vent and drain valve,shall not be not insulated,unless otherwise specified.

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双语例句

  • The calculation formulas for drain valve and vent valve in long drainpipe are approached, and the valve diameters are calculated being compared with the result in some literature.

    探讨了热水管网放水、放气阀直径计算公式计算放水管放水直径文献中短放水管放水直径进行了比较

    www.dictall.com

  • Safety valve along with its outlet piping and downstream piping of such valves as steam blow off valve, vent and drain valve, shall not be not insulated, unless otherwise specified.

    安全阀随着出口管道下游管道阀门作为蒸汽打击小康通风口排水阀门不得绝缘除非另有说明

    danci.911cha.com

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