3705| 6
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滾花前所需要的粗糙度,以及滾花后能達(dá)到使用要求的粗糙度能達(dá)到多少,? |
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看看這個(gè),。6(6)說(shuō)的是滾花
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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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