acknowledging relay认: recognize; know; make out; i ...收: put away; take in继电器: electric relay; relay接收继电器: receiving relay脉冲接收继电器: impulse accepting relay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:认收继电器，即可在微信中查询翻译
