单词	专业知识测验
释义	专业知识测验 SKT; speciality knowledge test
随便看	self-cleaning rotating screen filter self-cleanings self-cleaning screen cloth selfcleaning screw self-cleaning sensor self-cleaning separator self cleaning spark plug self-cleaning spark plug self cleaning strainer self-cleaning strainer self-cleaning surface self-cleaning switch self-cleaning system self-cleaning tank self-cleaning tractor harrow selfcleaning tread pattern self-cleaning twin-screw reactor self-cleaning twisted-tape self-cleaning type centrifugal separator self-cleaning type oil purifier self-cleaning velocity self-cleaning viscous filter self cleaning wagon self-cleansing self cleansing ability of oral cavity