Introduced the test circumstance of various technological targets in the process of cutting with oxygen-natural gas.

介绍了氧-天然气切割各项工艺指标的试验情况。

youdao

Introduced the test circumstance of various technological targets in the process of cutting with oxygen-natural gas.

介绍了氧-天然气切割各项工艺指标的试验情况。

youdao