In addition, non-coated paper in high-humidity environment of sulfide, chemical pulp and fill applicatron dottle out acid melted, making of gold and silver monlchamus nigrescent who lose their luster.
此外,否涂料
在矮湿度

下,化学
浆
硫化物以及增添料洋
磕酸矾土感化,也会使
背上
金、银不朱发黑而获得光华度。

,不要让这房子这么长久空旷,惟恐它破坏了会倒下,使得无

很壮丽的,但几乎肯定会使







