英语词汇“safety pinion”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	safety pinion
释义	safety pinion safety pinion [′sāf·tē ‚pin·yən] (horology) A center pinion gear in a watch that protects delicate parts by unscrewing when the mainspring breaks, thereby preventing pressure from being applied to the train wheel teeth and arbor pivots.
随便看	toss you down toss you for toss you for it toss you off toss you out toss your cookies toss your hat in the ring toss your hat into the ring toss your name in the hat tost tosta to stab at to stack arms to stack the cards to stack up against tostada tostadas tostado tostados to stamp out to stand against to stand at ease to stand by to stand corrected to stand fast

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