Yang Jianchun. The Leakage Cause of Valve Packing and Its Improvement[J]. Oil & Gas Storage and Transportation, 1999, 18(4): 49-50.
Citation: Yang Jianchun. The Leakage Cause of Valve Packing and Its Improvement[J]. Oil & Gas Storage and Transportation, 1999, 18(4): 49-50.

The Leakage Cause of Valve Packing and Its Improvement

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