Air-conditioning metal ducts passing through non-conditioned spaces should be wrapped with thermal insulation enclosed in a vapor barrier .
经过非空调空间的空调金属风道应当用保温材料裹起来，保温材料外面加防潮层。
The conditioned air is discharged into the engineer's seated area through two ceiling diffusers and two takeoff ducts that supply air through four adjustable spot diffusers on the ceiling.
调节空气经过两台顶棚散流器与两条输出管排放至工程师座位区。 两条输出管道通过屋顶上的四台可调节点式散流器送风。
The conditioned air is discharged into the engineer's seated area through two ceiling diffusers and two takeoff ducts that supply air through four adjustable spot diffusers on the ceiling.
调节空气经过两台顶棚散流器与两条输出管排放至工程师座位区。 两条输出管道通过屋顶上的四台可调节点式散流器送风。
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