Inquire into Number of Scraper Slag Conveyer and Institution of Its Shutoff Gate
刮板捞渣机台数及关断门设置的探讨
Newly developed water shutoff agents are colloidal dispersant gel ( CDG ), new precipitation type and complex type.
新发展的堵水剂有胶体分散体冻胶 、 新型沉淀型和复合型等.
Preparation and Application of Selective Water Shutoff Agent JTD for High Permeability Reservoir Formations
高渗透地层选择性堵水剂JTD的研制与应用
Bleed air from kit, close No.2 shutoff.
从组件上排放空气, 关闭2号关闭阀.
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