The trade wind is a kind of natural cold source in spring, autumn and winter.

新风在春、秋、冬季是一种天然的冷源。

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To finalize the program as follows: all rooms used fan-coil plus fresh air system, this building used as a screw-type chiller cold source.

最终确定方案为：所有房间采用风机盘管加新风系统，本建筑物采用螺杆式冷水机组作为冷源。

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However, with this running mode, the cold source, transmission and terminal part of the air conditioning system should be designed differently from the common ones.

但在冷水大温差运行模式下，空调系统的冷源、输配和末端环节的设计匹配与常规系统相比都将产生相应的改变。

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Europe's food retailers depend on a complex network of brokers, cold stores and meat-cutting plants around the continent from which to source the ingredients wherever they are cheapest, says the BBC's Christian Fraser, in Paris.

BBC: Horsemeat found in Ikea meatballs in Czech Republic