... 塞入门导轮 door guide wheel 门滑轮 door guide roller 上开窗 uplifting window ...
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door guide roller shaft 滑轮轴
sliding door roller guide 滑动门导轨
·2,447,543篇论文数据，部分数据来源于NoteExpress
The unique roller system, make excellent guide rail, accurate balancing mechanism, ensure that door body smooth operation, lighter and noise.
独特的滚轮系统，制作精良的导轨，精确的平衡机构，确保门体运行平稳、轻巧、无噪音。
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