The heavier bodied base of the machine often remains still while the long hose moves around to suck up dirt.
它沉重的底座留在地上，而连接在上面的橡皮软管却能四处移动打扫灰尘。
2
A hose connects the tank — which can be replenished by opening a valve in the footwell — to a desalination machine that can produce 6 gallons of fresh water an hour.
The ultrasonic wave hose seals the tail machine series to use in the toothpaste, the cosmetics, the drugs, food, the industry thing, and so on each kind of hose seals the tail.