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On November 25, 2019, the 30th China international measurement, control and instrumentation exhibition (MICONEX2019) (formerly known as the multinational instrumentation exhibition), sponsored by the Chinese society of instrumentation and instrumentation, opened in Beijing · national convention center.
In the course of serious communication, study and communication with experts, listen to the opinions and Suggestions of experts with an open mind.
Explain the use of piston pressure gauge to Korean friends.