Hope and domestic foreign petroleum chemical unit cooperation hand in hand!
希望与国内国外的石油化工单位携手合作！
Knowledge of basic chemical unit operations and hazard analysis methodology.
有良好的化工生产基本知识和危害分析知识。
This paper introduces a new type unit to purify water by physical-chemical process.
本文介绍一种新型理化法水净化处理机。
This paper introduces a new type unit to purify water by physical-chemical process.
本文介绍一种新型理化法水净化处理机。
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