词汇	sink channels
释义	sink channels 渠道下沉
随便看	all position all-position all-position automatic tubesheet welding system all-position electorde all position electrode all-position electrode all position gas copying cutting machine all-position oxygen cutting machine all position pipeline automatic arc welding allposition tire all position tire allposition tyre all position tyre all-position welder all position welding all-position welding all-position welding machine all-position weld of pipeline all positioon weld all-positive vector allpossessed all possessed all-possessed all possible combinations all possible regression