good-by

You are not doing yourself any good by storing up your resentment.

样积恨对没有好处。

Double-frequency cipher can solve the problem of multimachine mutual interference fairly good by handling the remote control and autocorrection of welding current.

采用“双频密码”方式解决焊接电流的远程调节及自动修正，较好地处理了多机相互干扰问题。