研究了在钢质管道表面采用氧气—石油天然气火焰熔覆玻璃涂层的工艺。

The technology is studied on steel pipeline surface by hot spraying with oxygen natural gas.

youdao

研究了在钢质管道表面采用氧气—石油天然气火焰熔覆玻璃涂层的工艺。

The technology is studied on steel pipeline surface by hot spraying with oxygen natural gas.

youdao