【生活】清洁海绵【纺织；造纸】清洁用海绵

dry cleaning

self-cleaning

self-cleaning filter

cleanings of combustion engines having fitments facilitating their cleaning

floor-scrapers with cleaning-agent supply

ultrasonic cleaning machine【机】

squeezing plate floor-cleaning implement with squeezing plate

abrasive jet cleaning【机】;grit blast【机】;sandblast cleaning【机】