crank balanced beam pumping unit in a oilfield
Contributor: YuanGeng
ID : 237873521
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Palabras clave
asia, china, beam, crank, rotation, swing, equipment, facility, tool, machinery, building, drilling, rig, framework, metal, steel, solid, oil, natural gas, crude oil, fuel, energy, platform, industrial, mining, mineral, exploration, manufacturing, sky, colours, environment, technology, economy, nostalgia, traditional, power, transmission, promotion, dripped, drive, homework, red, blue, pipeline, eveningElementos relacionados
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