The structure of compact, light weight, it could be that the media system for low-temperature valve structure of the most reasonable.
结构紧凑、重量轻，可以认为它时用于低温介质系统的最合理的阀门结构。
Its safety valve features are compact in structure, good in opening-closing characteristic and low in noise.
其安全阀结构紧凑，启闭性能好，噪声小。
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