actor作用: act on; affect器: implement; utensil; ware机械压力作用器: mechanical pressure actuator空气喷射反作用器: air air injection reactor; air injection reactor分用器: demultiplexer demux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:作用器，即可在微信中查询翻译
