The hot spraying technique has been used for the renovation of the surface of component parts on drilling equipment.

热喷涂技术已应用于钻井机械零件表面的修复。

youdao

The hot spraying technique has been used for the renovation of the surface of component parts on drilling equipment.

热喷涂技术已应用于钻井机械零件表面的修复。

youdao