英语语法分析

Of or relating to rock so formed; pyrogenic.

火成的由熔化的岩石凝固形成的。

Principles of pyrogenic decomposition of PVC and the principles of heat stabilizer were introduced.

介绍了PVC的热分解机理及热稳定剂的作用机理。

In the pyrogenic production procedure, negative pressure may exit in gas equipment and containers and consequently damage them.

在焦化生产过程中，煤气设备及容器内容易出现负压而造成设备损坏。