semi-glossCOCA¹⁶⁵⁶⁸⁶BNC²³⁶²¹³⁺¹ 基本例句 半光 Many factors influence the film gloss of semi-gloss PU varnish, including particularity of coatings compositions, regulation extent of application technology and difference of application conditions. 影响聚氨酯亚光清漆涂膜光泽度的因素是多种多样的，既有涂料配方的特殊性，也有涂装工艺的规范性，更有施工环境的差异性。 dictall