screw heat pump
风冷螺杆热泵机组制冷剂替换试验研究_暖通空调在线 关键词:制冷剂 R407c R134a 替换 螺杆式热泵 [gap=827]Key words:refrigerant; R407c ; R 134a; substitute ; heat pump with screw compressor
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螺杆式水源热泵 LTLHM
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而重庆工业园将生产离心式机组、螺杆式机组、风冷热泵机组为主的大型中央空调。
Chongqing industrial park will production centrifugal units, screw units, air-cooled heat pump units consisting mainly of large central air conditioning.
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