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商用熱水

Commercial hot water

商用采暖

Commercial heating

集中采暖

Centralized heating

泳池恒溫

Swimming pool

農(nóng)業(yè)烘干

Agricultural drying

工業(yè)烘干

Industrial drying

養(yǎng)殖恒溫

Constant temperature culture

熱水BOT

Hot water BOT

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