The infection of the washing liquid used in the pump at the decompression tower bottom to the medium was introduced.
采用串联式波纹管机械密封代替原单端面机械密封，解决了减底泵机械密封冲洗液对介质的影响问题。
Addition of ore as the autogenous medium can also effectively improve the washing efficiency.
添加矿石自介质也能够明显提高洗矿效率。
The utility model provides a main shaft sealing device for a large-size washing machine, comprising a supporting device, sealing medium, an oil feeding hole, a sealing element, etc.
一种大型洗衣机主轴的密封装置，它是由支承装置、密封介质、注油孔、密封件等组成；
The process technology for medium-pressure methanol in ammonia synthesis combined with high-pressure methanol methanation was introduced; the purpose for replacing the copper washing was reached.
介绍了合成氨中压联醇串高压醇烷化工艺技术，达到了取代铜洗的目的。
The process technology for medium-pressure methanol in ammonia synthesis combined with high-pressure methanol methanation was introduced; the purpose for replacing the copper washing was reached.
介绍了合成氨中压联醇串高压醇烷化工艺技术，达到了取代铜洗的目的。
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