带制动滑轨 样本视图下载本页样本PDF 产品编号RoHs备注代码 KC-1261-S-1222941 KC-1261-S-1422942 KC-1261-S-1622943 KC-1261-S-1822944 KC-1261-S-2022945 KC-1261-S-2222946 KC-1261-S-2422947 KC-1261-S-2622948 KC-1261-S-2822949