单词	check-up line
释义	check-up line 检测线
随便看	natural distributive justice natural disturbance natural disturbances natural diversity natural diverter natural draft counter flow type natural draft drier natural-draft drier natural-draft drying natural draft furnace natural draft gas burner natural draft indirect dry cooling system natural-draft kiln natural draft machine natural-draft machine natural draft pit furnace natural-draft pot burner natural draft pressure natural draft quantity natural draft transformer natural-draft transformer natural draft up firing natural draft ventilation natural draft wet cooling tower natural drainage