... Exhaust valve insert排气门镶座 Exhaust whistle排气笛 Expansion type muffler膨胀式消音器 ...
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The safety technical measures against explosion whistle happened on exhaust pipes during the running of vacuum pumps in pharmaceutical enterprises are discussest.
着重论述了在制药企业中真空泵运转过程中排气管发生爆鸣现象的安全技术控制措施。
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