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Each fire hose coupling on a ship must have thread...

海船船员考试

单选题

Each fire hose coupling on a ship must have threads that meet the specifications of the（）.

发布日期：2021-03-22

A.American Petroleum Institute

B.National Standard Firehose Coupling

C.American Society of Mechanical Engineers

D.Underwriter's Laboratories，Inc

标签： fire hose coupling ship threads

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