Not only will the wool stoma block stone breathing, still can with WuChen wax scale formation, landscape stone surface produce yellowing phenomenon.
不但会堵塞石材呼吸的毛细孔，还会沾上污尘形成腊垢，造成景观石表面产生黄化现象。
Not only will the wool stoma block stone breathing, still can with WuChen wax scale formation, landscape stone surface produce yellowing phenomenon.
不但会堵塞石材呼吸的毛细孔，还会沾上污尘形成腊垢，造成景观石表面产生黄化现象。
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