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Pre-stressed fiber-resin sucker rod and method of making same
Pre-stressed fiber-resin sucker rod and method of making same
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机译:预应力纤维抽油杆及其制造方法
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摘要
A sucker rod used in pumping liquids from subterranean oil or water wells is formed of plastic material having pre-stressed reinforcing fiber strands or roving therein, and a method of manufacturing same.
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