?滚点光度计
... 点焊 spot welding; dot welding; pinpoint welding; point weld; shot weld; point welding; stitch welding◇点焊电极 spot-welding electrode; 点焊机 mash welder; point welding machine; spot-welder; spot-welding machine; 点焊接头[连接] tack-weld; 点焊枪 spot-welding gun; 点焊熔核 nugget 滚点光度计 kotoelectric photomete 串点焊 series spot welding ...