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GB6479化肥专用管有哪些牌号?16mn高压化肥管价格行情
34×6-8 |
102×6-7-8-10-12-14-16-20 |
245×8-10-14-17-20-22 |
36×6-8 |
108×6-7-8-10-12-14-18-20-22 |
245×25-28-30-34-40 |
38×6-7-8-9-10 |
114×6-7-8-10-12-14-18-20 |
273×7-9-12-15-18-20-25 |
39×8-10 |
121×6-7-8-10-12-14-16-20 |
273×30-35-38-40 |
42×6-7-8-9-10 |
127×-6-7-8-10-12-14-16-20 |
299×8-12-16-20-24-28 |
45×6-7-8-9 |
133×6-8-12-14-16-18-20-25-30 |
299×30-32-36-38-40 |
48×6-7-8-9-10 |
140×6-7-8-9-10-12-14-16-20-22 |
325×8-12-14-18-38 |
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