The production of SO3 sulfonation is in common present a problem, that is coking disposal and demarcate of the sulfonator.
SO3磺化生产经常会出现这样的问题．即磺化器的结焦处理及标定。
The production of SO3 sulfonation is in common present a problem, that is coking disposal and demarcate of the sulfonator.
SO3磺化生产经常会出现这样的问题．即磺化器的结焦处理及标定。
应用推荐