42*6mm的合金管每米有多重？|54*8mm的高压合金管市场价格行情
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34×4-5-6-8
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36×3.5-5-6-8
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38×4-5-6-7-8-9-10
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39×3.5-5-8-10
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42×3.5-4-5-6-7-8-9-10
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45×3.5-4-5-6-7-8-9
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48×3.5-4-5-6-7-8-9-10
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51×3.5-4-5-6-7-8-9-10
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56×3.5-4-5-6-7-8-9-10
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57×3.5-5-6-7-8-9-10-12
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60×3.5-4.5-5-6-7-8-9-12-14
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63×3.5-4.5-5-6-7-8-9-10-12-14
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68×4-4.5-5-6-7-8-9-10-12-14-16
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70×4-4.5-5-6-7-8-9-10-12-15-16
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73×4-4.5-5-6-7-8-9-10-12-15
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