单词	韩龟东
释义	韩龟东 Han Ku-tong 1908-
随便看	metal-working aspects of TAPPING metal working by electrical discharge metalworking coolant metal working, cutting metal working, cutting milling metal working, electrochemical metal working engineering metal working equipment metalworking fluid metal working fluid metalworking fluids metal working fluids deep drawing fluids metal working grease metalworking industry metal working industry metalworking lubricant metal working lubricant metal-working lubricant metalworking machine metal working machine metal-working machine metal-working machine, portable metalworking machinery metal working machinery metal-working machinery