Extremely long oil cycle, service life is 6 ~ 8 times mineral oil.
极长的换油周期，使用寿命是矿物油的6~8倍。
2
According to finely vendors would market analysts said that the specific types of mineral equipment present not equal the life cycle of the situation.
据细碎机厂家市场分析人员介绍说，选矿设备特定型号的生命周期呈现并不均等的态势。
3
The paper gives the tactics for setting a price of the mineral product based on analysis to the law of economic cycle and also give some countermeasures for sale of the mineral product.