轻灵卡扣式安装：不用螺丝刀就可完成安装；更省心的调节和维护；封闭型箱体结构，杜绝安全隐患。
Installation is typical snap: No screwdriver can complete the installation; More worry regulation, and protect; a sealed box structure, eliminate potential safety problems.
轻灵卡扣式安装：不用螺丝刀就可完成安装；更省心的调节和维护；封闭型箱体结构，杜绝安全隐患。
Installation is typical snap: No screwdriver can complete the installation; More worry regulation, and protect; a sealed box structure, eliminate potential safety problems.
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