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，拖把及毛撣（包括其他材料制非機動的手工操作地板清掃器等）
There's a wide-spaced double-glazed wall, which channels hot air upwards to a mechanical floor where it's harnessed for dehumidification.
有一個大範圍的間距雙層玻璃牆，將熱空氣曏上引導到一個機械樓，以爲除溼提供動力。
Brooms, brushes, mops and feather dusters, hand-operated mechanical floor sweepers, not motorized, of other animal or vegetable materials.
其他動植物材料制帚，刷，拖把等（包括動植物材料制非機動的手工操作地板清掃器、毛撣）