发布时间:2025-02-02 02:14:12
这个可能是席虫.醋酸可以非常有效去除席虫.使用方法:把席子正反面,用醋酸喷一遍,席梦思、(硬软)棕棚或床板(木板)也喷一遍,再把席子卷起来闷三到
我要加工内孔11mm的有机玻璃孔深度有180mm内孔要镜面透明怎么样抛光或加工
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