Waste water with chromium in the electronic netty board factory of CaiHong Group was studied.
针对彩虹集团电子网板厂的含铬废水进行研究。
The invention relates to a liquid and solid two-phase netty sand control material used for oil fields.
本发明涉及一种油田用液固两相的网状防砂材料。
The invention relates to a liquid and solid two-phase netty sand control material used for oil fields.
本发明涉及一种油田用液固两相的网状防砂材料。
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