1978| 3
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這個(gè)焊接符號(hào)啥意思,求幫忙,直徑300的兩個(gè)圓片焊接 |
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點(diǎn)評(píng)
和焊縫數(shù)量
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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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