联塑 LESSO PVC线槽盒式槽阳外角 50mm*25mm
联塑 LESSO PVC线槽三通 30mm*15mm/24mm*14mm
联塑 LESSO PVC弧形线槽45°弯头 40mm*9.5mm
联塑 LESSO PVC线槽盒式槽阴内角 50mm*25mm
联塑 LESSO PVC线槽中小角形三通 59mm*22mm/39mm*19mm
联塑 LESSO PVC线槽堵头(带16管装饰盖) 80mm*40mm
联塑 LESSO PVC弧形线槽90°弯头 20mm*6mm
联塑 LESSO PVC线槽中大角形三通 50mm*25mm/60mm*40mm
联塑 LESSO PVC线槽大小接 99mm*27mm/50mm*25mm