3040| 4
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求購(gòu)3300mm*4500mm*100mm 40Cr板,或者有機(jī)械力學(xué)性能相當(dāng)材料此規(guī)格尺寸材料。 |
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小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
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