concrete-mixing-plant operator混凝土: concrete; beton; jetereting搅拌: stir; whip; agitate; mixing; ...和: mix; blend设备: equipment; device; facility; ...操作: operate; manipulate; handle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:混凝土搅拌和设备操作工，即可在微信中查询翻译
