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1.适用于实木、铝包木型材内平开窗
2.调节螺钉采用优质不锈钢材料，长久使用不易打滑，调节窗扇掉角的功能
3.优质碳钢材质表面电镀锌镍，中性盐雾（NSS）可达1000h，高耐腐蚀性
4. 具有调节功能，左右调节-2mm/+4mm前后±1.5mm,调节窗扇掉角和消化安装无差；增强整窗的水密性、气密性
5.黄色成人下载绿巨人视频分左右，另有13系上角部合页供选
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