In China, research of this gas-film lubrication theory is not yet perfect, and the research of triturating detection device using the theory is yet in blank.
在我国，对于气膜润滑理论的研究尚不完善，利用气膜润滑理论研制检测装置的工作尚处于空白。
Lubrication theory
英语例句库
英语百科
Lubrication theory
In fluid dynamics, lubrication theory describes the flow of fluids (liquids or gases) in a geometry in which one dimension is significantly smaller than the others. An example is the flow above air hockey tables, where the thickness of the air layer beneath the puck is much smaller than the dimensions of the puck itself.
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