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1寸 PN1.6Mpa 内螺纹闸阀 丝扣闸阀Z15W/H
6分 200WOG Z15W-16R 316不锈钢手动丝扣闸阀
Z15H-16P 200wog 4分 R螺纹丝扣闸阀
Z15W-16P/R/RL 200wog CF8M丝扣手动闸阀
碳钢国标丝扣手动内螺纹截止阀 J11H-25C 2.5Mpa
J11H-16C WCB 碳钢丝扣G/R/Rc截止阀
国标S型丝扣截止阀 J11W 1Cr18Ni8 CF8
J11W/H-16 200WOG CF8M 丝扣截止阀结构长度
J11W PN16 S型丝扣截止阀 200wog CF8M
S型内螺纹G/R/NPT丝扣截止阀 J11W-1.6Mpa
不锈钢S型丝扣截止阀 J11W-16P/R CF8M 200WOG
3寸 CF8M J11W-300LB美标直通丝扣NPT螺纹截止阀
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