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。
The safety technical measures against explosion whistle happened on exhaust pipes during the running of vacuum pumps in pharmaceutical enterprises are discussest.
本文系统的论述了空间用矩形碱性蓄电池排气阀的种类及组成的设计。
The types and designs of the valve in rectangular alkaline space batteries were discussed.
本文论述了车用发动机试验台排气系统中的三节扩张式消声坑的设计和试验结果。
In this paper the design and performance of expanding silencing exhaust duct for the test bed of automotive engines are discussed.
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