In order to prevent stress from being set up in the metal, expansion joints are fitted which ______the stress by allowing the pi

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问题 In order to prevent stress from being set up in the metal, expansion joints are fitted which ______the stress by allowing the pipe to expand or contract freely.

选项 A、reclaim
B、reconcile
C、rectify
D、relieve

答案D

解析 句意:为了防止压力作用于金属上,安装了可扩充的接缝,它们通过允许管道自由扩张或缩小来减轻压力。relieve减少,减轻。reclaim回收,利用。reconcile使和解。rectifly纠正,改正。
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