any of a large class of implements used for cleaning
双语例句
The use of high pressure cleaning equipment should be avoided. 应避免使用高压清洁装置。
Two combined cleaning device soot blowers and high-pressure wash located in the untreated gas inlet integral to the GGH are provided. 两种联合使用的清洁装置是吹灰器和高压冲洗水,它们都位于热交换器的进口侧并和热交换器一道一同供货的。