联塑 LESSO PVC线槽盒式槽阳外角 50mm*25mm
联塑 LESSO PVC线槽中大角形三通 50mm*25mm/60mm*40mm
联塑 LESSO PVC弧形线槽45°弯头 70mm*15mm
联塑 LESSO PVC线槽三通 30mm*15mm/24mm*14mm
联塑 LESSO PVC线槽盒式槽阴内角 50mm*25mm
联塑 LESSO PVC线槽大小接 60mm*40mm/50mm*25mm
联塑 LESSO PVC转接片 70mm*15mm转50mm*11mm
联塑 LESSO PVC线槽中小角形三通 39mm*19mm/30mm*15mm