短語(yǔ)詞組短語(yǔ)pendulum -arm mechanism 擺臂機(jī)構(gòu)pendulum arm assy 下控制臂總成pendulum arm weighting 搖臂加壓pendulum type weighting arm 擺動(dòng)式搖架pneumatic pendulum arm 氣動(dòng)加壓搖架 返回 pendulum arm