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.

互联网

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.

互联网

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.

互联网

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.

互联网