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泄漏的可燃气体在泄放口上高速喷射、摩擦或静电-点火。在这种情况下,一般只引起着火而不爆炸,这种火灾称为()。 答案

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简要说明工艺管线的防火、防爆应符合哪些要求。

根据《安全生产法》的规定,生产经营单位应当向从业人员()告知作业场所和工作岗位存在的危险因素、防范措施以及事故应急措施。

A. 如实
B. 定期
C. 详细
D. 明确

The search for eternal youth is no less fervent now than it was 2,000 years ago. People are trying practically anything.

A. prolonged
B. external
C. protracted
D. excessive

Prof. Clark disregarded the warning from his colleagues and continued his research work.

A. ignored
B. deplored
C. explored
D. implored

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