Shallow geothermal energy device with pumping and recharging in same well
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Compensation type shallow layer geothermal energy same-well conversion device of geothermal energy central air-conditioning
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Connection type shallow layer geothermal energy same-well conversion device and method of geothermal energy central air-conditioning
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Inside-outside integral welding type same-well pumping and recharging device for water source well of water source heat pump type central air conditioning
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Inside-outside integral docking type same-well pumping and recharging device for water source well of water source heat pump type central air conditioning
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Automatic energy-saving control system with indoor fan and coiled pipe for central air conditioner with water system
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Hard-pipe type water outlet and return device in same water source well for water source heat pump central air conditioner
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Taper type seal structure of water outlet and return device in same well for water source heat pump central air conditioner
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Flat plate type seal structure of water outlet and return device in same well for water source heat pump central air conditioner
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Hose type water outlet and return device in same water source well for water source heat pump central air conditioner
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Cylinder type seal structure of water outlet and return device in same well for water source heat pump central air conditioner
