surface servo system表面: surface; superficies; bounda ...伺服: servo系统: system扇面伺服系统: sector servo system伺服系统: servo link; servo system=servosystem; servo-drive system; servo-loop; servomechanism; slave system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:表面伺服系统，即可在微信中查询翻译
