| 单词 | 挺杆 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔pushrod〕A rod moved by a cam to operate the valves in an internal-combustion engine.阀门挺杆：通过凸轮转动的杆，用来操纵内燃机的阀门美国传统〔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〔wiper〕A projecting cam, as on a rotating shaft, that activates another machine part.凸轮：如转轴上突出的挺杆，使另一个机器零件活动美国传统〔wipe〕A cam that activates another part; a wiper.凸轮：启动另一部分的凸轮；挺杆美国传统 |
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