Ceilings shall be constructed of a rigid, smooth faced , absorbent material and be washable.
天花板应采用坚固 、 整 、 吸附、洗涤的材料.
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Ceilings shall be constructed of a rigid, smooth faced, non absorbent material and washable.
天花板应采用坚固, 平整, 无吸附,可洗涤的材料.
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The preparation, application process and influencing factors of the smooth - faced hammer powder paint are described.
介绍了“绵绵漆”粉末涂料的制备 、 施工工艺及其影响因素.
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Ceilings shall be constructed of a rigid, smooth faced, non absorbent material and be washable.
天花板应采用坚固 、 平整 、 无吸附、可洗涤的材料.
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