Unverified88% confidenceCautionTime unknown
顶撑式仅适合两端为实心承重墙或混凝土的场景，若一端为石膏板隔墙、玻璃或空心砖，长期挤压会导致墙面开裂或杆体缓慢下滑，此类墙面应改用打孔固定
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified顶撑式伸缩杆不要安装在瓷砖墙、玻璃或空心石膏板墙之间，弹簧张力长期作用于光滑或脆弱表面易滑落或压裂，这类墙面应改用打孔式92% similarUnverified壁挂式挂架安装墙面材质决定固定方式：实心砖墙/混凝土墙可用膨胀螺丝承重，空心砖、石膏板或轻质隔墙必须用专用锚栓或穿透龙骨固定，普通膨胀螺丝在空心墙上几乎无承重力90% similarUnverified打孔安装扶手固定螺丝必须打入瓷砖后的实体墙（砖墙/混凝土），若墙体为轻质隔墙或空心砖需加装背板加固，否则承重会大幅打折89% similarUnverified承重方向不同：折叠扶手承受的是向下拉力，安装墙面必须是实心承重墙或承重砖墙，空心砖、轻质隔墙（如石膏板、泡沫砖）必须加装背板或穿墙螺栓固定，否则膨胀螺丝会被整块拔出89% similar
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