This paper propose the new mechanism of bolt welding, and the design of clamping yokes for hilt welding of electromagnetic switch shell.

提出了螺栓焊的新机理和螺栓设计原则。 设计了电磁开关壳体螺栓焊的焊接模具；

youdao

Also, since you'll most likely want to see the default prompt, you can switch shells by simply running the binary name for the shell. (sh, ash, bash, ZSH, CSH, KSH, and so forth).

通常你会想看看默认的提示符，你可以通过运行shell的命令来切换到相应的shell (sh、a sh、bash、z sh、csh、k sh等等)。

youdao

You can switch from one shell window to another in a flash, and you can leave shells running perpetually and reconnect at any time.

可以从一个shell窗口迅速切换到另一个窗口，可以离开正在运行的shell并在任何时候重新连接。

youdao