The paper describes the component parts and the mechanism of portable arc striking apparatus without outside power.

介绍无外接电源轻便引弧器的组成部分及工作原理。

youdao

The paper describes the component parts and the mechanism of portable arc striking apparatus without outside power.

介绍无外接电源轻便引弧器的组成部分及工作原理。

youdao