英语词汇“proving ring”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	proving ring
释义	proving ring proving ring [′prüv·iŋ ‚riŋ] (design engineering) A ring used for calibrating test machines; the diameter of the ring changes when a force is applied along a diameter.
随便看	we're shot we're slightly behind schedule we're so blogging we're so glad you could come. we're so glad you could drop by. we're sorry to hear that we're still waiting to be served we're ten minutes late we're too much we're too much! were wise to him were wise to me were wise to something were wise to them were wise to us were wise to you were within a whisker of were within sight were with it were without equal were witness to were-wolf werewolf werewolfery werewolfish

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