tumbler geartumbling gearwobble gear摆动: swing; sway; oscillate; pend ...齿轮: cogwheel; gear wheel wheel-l ...扇形摆动齿轮: oscillating gear被动齿轮，从动齿轮: driven gear传动齿轮主动齿轮: driving gear下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:摆动齿轮，即可在微信中查询翻译
