发布时间:2025-01-28 10:56:04
现在的墙壁开关都有一块盖板将安装螺丝盖住,你看看边上(一般在下面)有两个缺口可以用螺丝刀撬开即可,撬开后就可以看到螺丝孔了。
铺地砖时为什么要用砂石垫底然后再用铺水泥浆直接用水泥浆铺不可以吗
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