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本文简介 LJG—22型车装双向体积管的结构、用途和工作原理,详述它的使用程序,并通过应用实例总结了它的优缺点,提出了改进意见。
This article describes the structure, purpose and working principle of the LJG-22 car mounted bi-directional volumetric tube, details its application procedures, summarizes its advantages and disadvantages through application examples, and puts forward some suggestions for improvement.