- 1. The article introduced the process improvement of thermal process phosphonic acid, such as positive pressure operation, fiber demist.
- 介绍正压操作、纤维除雾等热法磷酸生产改进等工艺，采用新工艺可节能降耗。
来自互联网
- 2. The article introduced the process improvement of thermal process phosphonic acid, such as positive pressure operation, fiber demist.
- 介绍正压操作、纤维除雾等热法磷酸生产改进等工艺，采用新工艺可节能降耗。
来自互联网
