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Common Faults and Elimination Methods of Pneumatic Butterfly Valves

Common Faults and Eliminati…

I. Testing and Adjustment of Pneumatic Butterfly Valves1. Before leaving the factory, a…

2025-07-18
Efficient Production Enhancement of Coalbed Methane in Huabei Oilfield

Efficient Production Enhanc…

​On July 7th, the author learned that in the first half of this year, the commercial v…

2025-07-11
Jilin Oilfield's

Jilin Oilfields "Digit…

2025-07-04
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