Two types of direct expansion coil are used.

使用了两种类型的直接蒸发盘管。

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Study on the performance of a direct expansion solar-assisted heat pump system;

本文建立了直接膨胀式太阳能热泵（直膨式太阳能热泵）系统的实验装置。

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The experimental setup of the direct expansion solar-assisted heat pump (DX-SAHP) system was constructed.

本文建立了直接膨胀式太阳能热泵(直膨式太阳能热泵)系统的实验装置。

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Others will allow a sharp expansion in direct cross-strait flights and improve co-operation in fighting crime and repatriating fugitives.

ECONOMIST: Taiwan and the WHO: A healthy development | The

Much of the change is a direct result of the vast expansion of the state through complex subsidies and anti-competitive regulations that invite the sort of cronyism that Mr Meltzer cites as well.

ECONOMIST: For those who have lost faith

An official in the prime minister's office said Thursday that Mr. Singh plans to try to reintroduce the expansion in foreign direct investment in retail after a series of state legislative elections that will conclude in early March.

WSJ: India's PM Tries to Revive His, Nation's Fortunes