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问题详情

What will NOT increase friction of a liquid flowing in a pipe and cause a loss of suction head?（）.

A、Bends in the piping

B、Slowing the pumping rate

C、Pipeline valves

D、Backing rings for pipe weld

时间：2022-01-04 07:57 关键词：液化气体与IGC规则

答案解析

B

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