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A kind of well head spiral-flow type high-pressure oil gas sand separating apparatus
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A kind of new domestic sewage processing method
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A kind of Offshore Drilling Riser stretcher hydraulic control system
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A kind of pneumatic man-riding winch's control system
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A kind of tower submersible pump cable draw off gear of ocean platform
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A kind of four spud legs pair boring tower self-elevating drilling platform
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450 feet of self-elevating drilling platform storm collection of illustrative plates calculation procedures
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A kind of marine drilling platform Waste Heat Recovery heating method
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Ocean platform submersible pump winding and unwinding method
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