mechanical floor

基本解释

Brooms, brushes, mops and feather dusters, hand-operated mechanical floor sweepers, not motorized, of other materials.
其他材料制帚，刷，拖把及毛掸（包括其他材料制非机动的手工操作地板清扫器等）
There's a wide-spaced double-glazed wall, which channels hot air upwards to a mechanical floor where it's harnessed for dehumidification.
有一个大范围的间距双层玻璃墙，将热空气向上引导到一个机械楼，以为除湿提供动力。
Brooms, brushes, mops and feather dusters, hand-operated mechanical floor sweepers, not motorized, of other animal or vegetable materials.
其他动植物材料制帚，刷，拖把等（包括动植物材料制非机动的手工操作地板清扫器、毛掸）