联塑 LESSO PVC线槽盒式槽阳外角 50mm*25mm
联塑 LESSO PVC转接片 70mm*15mm转50mm*11mm
联塑 LESSO PVC线槽盒式槽阴内角 50mm*25mm
联塑 LESSO PVC弧形线槽45°弯头 20mm*6mm
联塑 LESSO PVC弧形线槽90°弯头 20mm*6mm
联塑 LESSO PVC线槽中小角形三通 39mm*19mm/30mm*15mm
联塑 LESSO PVC线槽中大角形三通 24mm*14mm/39mm*19mm
联塑 LESSO PVC线槽堵头(带16管装饰盖) 80mm*40mm