GJ41X-10Z DN25铸铁管夹阀防腐蚀软密封法兰式管夹阀-参数 ¥780.00 安阳法兰奥衬管夹阀GJ41X-10 DN50防腐管夹阀 耐磨管夹阀 ¥230.00 GJ41X手动耐磨防腐抗冻密封性能好衬天然橡胶管夹阀 ¥800.00 GJ41X-10C DN40手动铸钢胶管阀、防腐高温矿用矿山管夹阀 ¥299.00 304防腐不锈钢管夹阀 GJ41X-16P GJ41X-16R GJ41X-16RL 法兰胶管阀 ¥800.00 GJ41X-10L DN32铸铁管夹阀胶管阀防腐蚀防酸碱排泥浆排矿渣粉尘 ¥109.00