線多的話就用橡膠的.hiphotos.hiphotos://d.baidu.com/zhidao/wh%3D450%2C600/sign=04769a8d41a7d933bffdec77987bfd25/48540923dd54564e999d44a0b0de9c82d0584faa.com/zhidao/wh%3D600%2C800/sign=dfc2a053e5cd7b89e93932853f146e9f/48540923dd54564e999d44a0b0de9c82d0584faa.baidu://d。線少的話為了美觀度就用金屬的——上海鑒道線槽