rt
參考答案:偏摆杆:
1. crank swing stem
<pendulum bob rod> <pendulum bar> <swing link> <pendulum rod> <rocker>
偏心头: [ piān xīn tóu ]
1. crank head
rt
參考答案:偏摆杆:
1. crank swing stem
<pendulum bob rod> <pendulum bar> <swing link> <pendulum rod> <rocker>
偏心头: [ piān xīn tóu ]
1. crank head