久久er精品青青久久久,巨爆乳肉感一区二区三区视频,人妻少妇精品视频专区∴,色综合天天娱乐综合网

Class Has Started.

20^th?August at 4:00 p.m.

Mr. Yu Xiaochen, engineer of R&D Department of DDTOP Technology Center, will share the course of “Electromagnetic Compatibility of Instruments”.

This?course is divided into two parts including:

1、What is electromagnetic compatibility?

2、Application of electromagnetic compatibility in products.

Welcome to the live classroom. Mobile users can access the live classroom by identifying the QR code in the picture above.

The following link can be copied by computer users to watch the live webcast.

https://ke.qq.com/webcourse/index.html#cid=2672944&term_id=102779199&lite=1&from=800021724

Please forward to your friends so that everyone can share and enjoy the knowledge.