综合安全口哨。
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。
He was dismissed when he tried to blow the whistle on the safety problems at the factory.
他因试图检举厂里存在安全隐患问题被解雇了。
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