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老哥們這個(gè)閘板的結(jié)構(gòu)是兩頭小中間大的內(nèi)孔,,請(qǐng)問(wèn)我毛坯將一頭堵了,,工藝難加工嗎,? |
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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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