CET 等级考试◆CET6題庫下載題庫

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64. 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.
(A) relieve
(C) reclaim
(B) reconcile
(D) rectify

答案：A
難度： 非常簡單


64.In order to prevent stress from being..-阿摩線上測驗