The interaction of paraffin wax emulsions with clay dispersions was investigated with respect to size distribution, shale recovery, line swelling and lubrication properties.
通过对粒度分布、页岩滚动回收率、线性膨胀和润滑性的测定，研究了石蜡微小乳状液与黏土分散体系的相互作用。
Emulsion lubrication system, rod quenching device, twin-coiler, line electric control, etc.
乳化液系统，连续淬冷装置，双筐收杆。
This lubrication film is easily established with "straight line enveloping screw pair" rotors, but this kind of engagement pair is very difficult to machine.
本文提出采用“圆台二次包络啮合副”作为单螺杆压缩机啮合副的型线。
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