常見例句雙語例句Induction coil by-pass water-cooled copper coil to just enclose the shape of the workpiece, the gap between it and the workpiece should be as small as possible.感應(yīng)線圈用銅管通水冷卻，線圈的形狀要剛好包住工件，它與工件間的間隙要盡可能的小。blog.sina.com.cn 返回 by-pass coil