基本解釋[機械工程]焊管拉模英漢例句雙語例句This invention changes its 200 years history of limitation to roof gutter and drainpipe, due to its easy bending, cutting and welding property.改變200年以來利用鋅金屬易于彎折、剪焊等加工特性而限于作為制造屋面天溝及排水管之用。welding gutter更多例句專業(yè)釋義機械工程焊管拉模