Unverified90% confidenceDecision RuleTime unknown
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
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Long-term
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Unverified壁挂盆需墙体为承重实心墙并预埋加固支架，轻质隔墙或空心砖墙直接安装易松动脱落，需先做钢架加固94% 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94% similarUnverified墙体类型决定安装方式：实心砖墙/混凝土可用膨胀螺栓承重强；空心砖或石膏板墙必须用中空锚栓（蝴蝶栓/飞机栓），普通膨胀管在空心墙会直接脱落93% 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93% similarUnverified墙壁固定式扶手要求安装墙体为实心砖墙或混凝土墙，空心砖墙或石膏板隔墙无法承受起身拉力，必须改用落地式或马桶两侧夹持式93% similar
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