BNG-G1-1/2x1000防爆挠性连接管DN40x1000防爆管
面议BNG-G1-1/2x1000防爆挠性连接管DN40x1000防爆管
面议BNG-G1-1/2*700防爆挠性连接管DN40*700防爆管
面议BNG-G1.2*700防爆挠性连接管DN32*700防爆管
面议BNG-G1*2000防爆挠性连接管DN25*2000防爆管
面议BNG-G1*1000防爆挠性连接管DN25*1000防爆管
面议BNG-G1*700防爆挠性连接管DN25*700防爆管
面议BNG-G1*500防爆挠性连接管DN25*500防爆管
面议BNG-G3/4*2000防爆挠性连接管DN20*2000防爆管
面议BNG-G3/4*1000防爆挠性连接管DN20*1000防爆管
面议BNG-G3/4*700防爆挠性连接管DN20*700防爆管
面议BNG-G3/4*500防爆挠性连接管DN20*500防爆管
面议BNG-G1/2*1000防爆挠性连接管DN15*1000防爆管
面议