By drilling the first principle of understanding, and then the PLC hardware and software design.

首先通过对钻床工作原理的了解，然后对PLC的硬件和软件进行设计。

youdao

By drilling the first principle of understanding, and then the PLC hardware and software design.

首先通过对钻床工作原理的了解，然后对PLC的硬件和软件进行设计。

youdao