佳木斯掘进机用四联多路阀） PSV55/300-3 -32H63/63C180/A -32H63/63C180/A -32H63/63C180/A -32H63/63C180/A -E1 (佳木斯掘进机用四联多路阀） PSV551/300-3 -41H80/80/H -41H80/80/H -41H63/63/H -41H63/63/H -E1 进口太原煤科院EBZ220TY掘进机PSV551/300-3四联多路阀 PSV551/300-3 -41H80/80/H -41H80/80/H -41H80/80/H -41H80/80/H -E1 佳木斯EBZ160掘进机PSV551/300-3四联多路换向阀 PSV552/220-3 -32H80/80/A -32H80/80/A -32H63/63/A -32H63/63/A -32H63/63/A -32H63/63/A -E1 PSV552/220-3 -42H80/80/A2 -42H80/80/A2 -32H63/63/A2 -32H63/63/A2 -32L63/63/A2 -32H63/63/A2 -32H63/63/A2 -E1