词汇	waste resource
释义	waste resource 废石资源
随便看	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 self-cleansing ability of oral cavity self-cleansing action self cleansing gingiva self-cleansing gingiva self-cleansing gradient self cleansing power self-cleansing velocity