J41T-10,J41T-16,DN65铸铁截止阀,DN80法兰铸铁截止阀
面议
J41T-10,J41T-16,DN65铸铁截止阀,DN80法兰铸铁截止阀
面议
J41W-10T,J41W-16T,dn40黄铜法兰截止阀
面议
J45H-16C,J45W-16P,Y型截止阀-DN100直流式截止阀
面议
J41Y-16I,J41Y-25I,DN20铬钼钢截止阀
面议
J41H-16C,J41H-25C,DN50截止阀,DN65铸钢截止阀
面议
J41B-16C,J41B-16Q,DN50铸钢氨用截止阀
面议
J40HX-16G,柱塞截止阀,DN65柱塞截止阀
面议
DSJ41H-16C,DSJ41H-25DN80水封铸钢截止阀
面议
DJ41W-16P,DJ41W-25P,DN80不锈钢低温截止阀
面议