cleance游隙
cleanadj.干净的;纯洁的;完全的;空白的;正当的;精准的adv.完全地n.清洁v.打扫;清扫;擦,刷
clean up one's净化不足
cleaning cloud云检测
Clean air duct洁净风管
cleanness test清洁检验
clean his earsvi.更仔细地听(洗耳恭听)
cleanout auger抽汲筒
clean-energyadj.清洁的能源
cleaning dozer拔 根机
cleanout stave清除横条
cleaning speed洗净速度