侧方淋巴结清扫
lateral lymph node dissection
程序化淋巴清扫
programmed strategy of lymph nodes cleaning
带电清扫机器人
Hot-line Cleaning Robot
high-voltage cleaning robot
单元清扫器
conditioning and cleaning unit
道路清扫保洁
road sweeping and cleaning
道路清扫车
path sweep cleaner vehicle
road sweeper