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,对于气理论的研究尚不完善,利用气理论研制检测装的工作尚处于空白。
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,对于气理论的研究尚不完善,利用气理论研制检测装的工作尚处于空白。
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