铜焊, 铝焊, 各种五金产品等.Copper welding, aluminum welding, all kinds of hardware products.刀头的刀柄和刀头分开使用铜焊焊接, 容易更换刀头.Blades and segments are welded by braze, which facilitate change of segment.将铜焊线或铜焊条按在插入阀门承插口的管道线上.Apply brazing w...
I think they've been messed around far too much.我认为他们被耍得太过头了。I hope they haven't messed up your video tapes.我希望他们没把您的录像带弄乱。He had messed up enough of these occasions to give rise to some anxieties.他把这些场合搞得一团糟,引...