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单词 有枢轴
例句 DEFINITIVE EXAMPLES 权威例句〔rocker arm〕A pivoted lever used in an internal combustion engine to transfer cam or pushrod motion to a valve stem.摇臂:一种装有枢轴的用于在内燃机里把凸轮或挺杆的运动转移到阀门的阀杆上的控制杆美国传统〔swivel〕A pivoted support that allows an attached object, such as a chair or gun, to turn in a horizontal plane.旋转座架:有枢轴,能使与之相连的物体,如椅子或枪炮,在某一平面水平转动的支撑物美国传统
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