Allowances may be made for the expansion and contraction in piping by the use of expansion joints or (). -题库考试答案搜索网

Allowances may be made for the expansion and contraction in piping by the use of expansion joints or ().

单选题

2022-01-04 06:31

A、Unions
B、Retractable flanges
C、Union bulkhead fittings
D、Bends or loops in the line

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正确答案

D

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