发布时间:2025-01-31 04:58:19
水。
石膏粉用水进行调和,只使用水调和石膏粉的粘结效果不佳,容易导致开裂或脱落。添加乳胶时,采用水和乳胶的比例为3:1,提高石膏粉与基面的粘结度,调和石膏粉时,不宜批太厚的层次,会容易导致脱落。
请问在长春哪里还有旧电器旧货交易市场还没拆迁的想买一个二手的洗衣机和冰箱在高新开发区住
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