This is a glass tube. There are some feedthroughs here to allow electrodes to be potted.

这是个玻璃管，这里有些引线，可以使电极被射击。

youdao

Now our main products are vacuum feedthroughs, and we also have succeeded in developing the high-pressure feedthroughs.

开发和生产；目前主要产品为磁流体密封装置，并已成功开发高压磁流体密封装置。

youdao

Now our main products are vacuum feedthroughs, and we also have succeeded in developing the high-pressure feedthroughs.

开发和生产；目前主要产品为磁流体密封装置，并已成功开发高压磁流体密封装置。

youdao