The paper has chosen the anti-corrosion coating as the downhole tubing corrosion protection measure, screened four kinds of coating material to do with performance evaluation.
选择防腐蚀内涂层作为井下油管防腐蚀措施。筛选了四种涂层材料进行性能评价。
Using coal gangue of Qitaihe as raw material, the best surface medication agent was screened through the test of medication choosing and rubber filling.
以七台河矿区煤矸石为原料，通过改性药剂选择试验和橡胶填充试验筛选最佳表面改性剂。
The material surface image screened by a CCD camera was processed to calculate the level of material by a computer, and then to control the valve of material container.
由CCD摄像头拍摄容器内物料表面图象，经计算机处理后得到物位高度，进而控制物料容器的供料阀门。
Taking chrome black t (t) as main material, a new prescription of trace hardness indicating agent has been screened out through orthogonal test.
以铬黑t (T)为主要原料，通过正交试验，筛选出微量硬度指示剂的新配方。
The foaming agents for new porous material production for wastewater treatment were screened by comparative and cross-field experiments.
本文用对比试验和正交试验的方法，对废水处理新型填料的发泡剂进行了筛选。
The product is used to smash the club shaped material after the compound fertilizer particles are screened.
用于复合肥颗粒经筛分之后的粗头粉碎。
The product is used to smash the club shaped material after the compound fertilizer particles are screened.
用于复合肥颗粒经筛分之后的粗头粉碎。
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