J41W-16T J41W-10TDN32黄铜法兰截止阀
面议J41W-16T J41W-10TDN32黄铜法兰截止阀
面议【Y型】截止阀J45H-16C-DN100,J45W-16P-DN125直流式截止阀
面议J41Y-16I,J41Y-25IDN15铬钼钢截止阀
面议DN40,DN50,j41h-16c,j41h-25,j41h-40c铸钢截止阀
面议铸钢氨用截止阀J41B-16C-DN50,J41B-16Q-DN65,J41B-16K-DN80
面议法兰柱塞截止阀J40HX-16G/DN80,DN100柱塞截止阀
面议法兰式水封截止阀DSJ41H-16C/DN65,DSJ41H-25C/DN80水封截止阀
面议不锈钢低温截止阀DJ41W-16P/DN100,DJ41W-25P/DN125低温截止阀
面议