沥青**阀BX43W-1.6C,BX44W-1.6C
英国斯派莎克MST21疏水阀
BJ41H保温截止阀
德标卡套软密封旋塞阀[X43]
X14T三通铜芯内螺纹旋塞阀
J41H-10K日标截止阀
沥青**阀BX43W-1.6..