cold water high-low pressure washer

例句：

1. 1.We used a cold water high-low pressure washer to clean the car's engine compartment.
   我们用一台冷水高压清洗机来清洗汽车的发动机舱。
2. 2.The cold water high-low pressure washer is an essential tool for cleaning hard-to-reach areas.
   冷水高压清洗机是清洁难以到达区域的必要工具。
3. 3.The cold water high-low pressure washer helped us remove stubborn stains from our carpets.
   冷水高压清洗机帮助我们从地毯上清除顽固的污渍。