I have a bad roughening of the skin.
我皮肤非常粗.
互联网
The roughening process of unsaturated polyester resins and its technological criterion were described.
介绍了不饱和聚酯树脂的粗化工艺流程及各工艺规范.
Copyright © mingxiaow.com All Rights Reserved.版权所有
本网站内容仅供参考,请以各学校实际情况为主!
工信部备案号:浙ICP备20019715号