Allowances may be made for the expansion
2023-12-13 118次 海船船员 反馈错误 加入收藏 正确率 : 100%
题目内容:
[单选题]A.llowances may be made for the expansion and contraction in piping by the use of expansion joints or ().
A.Unions
B.Retractable flanges
C.Union bulkhead fittings
D.Bends or loops in the line
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