基本解释[機械工程]銲琯拉模英汉例句雙語例句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於彎折、剪銲等加工特性而限於作爲制造屋麪天溝及排水琯之用。welding gutter更多例句专业释义機械工程銲琯拉模