英语词汇pull string怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	pull string
释义	pull string 美/ p?l str?? / 简明释义拉绳：一种绕在弹簧装置上的绳子、绳索或链条，当它被拉动时会触发机制。通常用于玩具和机械设备中。网络释义短语 1 Pull string 拉线 2 racket pull string machine 球拍拉线机 3 Pull-string Socket 拉绳插座双语例句 1 Pull the string through both holes. 把绳子从两个洞里拉出来。 2 We believe that a force of about one hundred pounds was needed to pull the string all the way back on a long bow. 我们认为，拉动长弓上的弓弦大约需要100磅的力。 3 This ball is feeling a pull from the string and that provides it with the centripetal acceleration. 小球受到绳子的拉力，这就是向心加速度的来源。
随便看	valve reversal valve rib guide valve rigging valve rim valve ring valve rock arm valve rocker valve rocker valve rocker arm valve rocker arm valve rocker arm assembly valve rocker arm bushing valve-rocker arm cover valve rocker arm joint valve rocker arm shaft valve rocker arm shaft bracket valve rocker arm shaft sleeve valve rocker arm shaft spring valve rocker arm shaft support valve rocker arm short spring valve rocker arm spring valve rocker arm support valve rocker arm washer valve rocker bracket valve rocker bracket

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