例句與造句

1. In order to increase productivity , for big size tank welding , saf propose plasma plus tig double torch solutions , welding speed is 30 % to 50 % higher than single plasma torch welding
   為增加焊接生產(chǎn)的效率，對于大尺寸工件的環(huán)縫何縱縫焊接， saf采用等離子tig雙槍焊接工藝，焊接速度比單等離子增加30至50 。
2. It's difficult to find torch welding in a sentence. 用torch welding造句挺難的