If often takes trouble from outside to weld a family together and cause them to forget their quarrels.
要使一家人紧密地团结，忘记他们之间的争吵，从外部入手常常很麻烦。
Before applying heat for a weld, the plates should be clamped together.
在用热进行焊接之前，必须把金属板紧紧地夹在一起。
The car has had a new wing welded on.
这辆汽车焊接了一个新的翼子板。
