Materials used in the site shall be piled up tidily and marked with labels.
现场使用的材料堆放整齐，用标识牌标识。
The valve should be stored in dry room and should not be piled up in open air.
盲板阀应存放在干燥的室内，不允许露天存放或堆置。
The valve should be stored in dry room and should not be piled up in open air.
盲板阀应存放在干燥的室内，不允许露天存放或堆置。
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