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1.适用于内平开下悬窗，或下悬内平开窗
2.金属表面采用电镀锌镍合金处理，中性盐雾（NSS）可达1000h，高耐腐蚀性
3.导轨与钢带点触结构设计，传动顺滑，有效提高整窗传动顺畅性
4.防盗功能且偏心可调，前后调节±1.2mm，提高窗的水密、气密性
5.转角器自带压块，方便杆件连接位置的压紧固定
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