front rotor前: front旋: whirl翼: the wing of a bird前旋翼减速器: frong head gearbox前旋: flank cirle; forward rdotation; forward rotation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:前旋翼，即可在微信中查询翻译
