昌西20KV陶瓷型高压穿墙套管CWW CWB CWCC-24/1000A参数 ¥1220.00 昌西20KV高压穿墙套管尺寸CWC CWB CWW-24/1250A ¥1260.00 昌西20KV高压穿墙套管1500A来图定制CWW CWC CWB ¥1370.00 昌西CWB CWC CWW-20KV/2000A家交流高压穿墙套管 ¥1960.00 昌西品质20KV高压穿墙套管CWB CWC CWW-24/2500A ¥2250.00 昌西专业定制各类20KV高压穿墙套管CWB CWC CWW-3150A ¥2660.00