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本文介绍 LJG—22型车装双向体积管的性能、结构和操作原理,提出了该类体积管的检定内容、方法和标准。
This article introduces the performance, structure and operating principle of the LJG-22 car mounted bidirectional volumetric tube, and puts forward the contents, methods and standards for the verification of the volumetric tube.