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買(mǎi)不到這個(gè)材料的管子,這個(gè)產(chǎn)品怎么做? |
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點(diǎn)評(píng)
問(wèn)題描述不夠清楚,請(qǐng)編輯一下。: 5
料定做也沒(méi)有單位做。擠壓只能出橢圓形,圓周錐度好像不行。 | ||
點(diǎn)評(píng)
問(wèn)題描述不夠清楚,請(qǐng)編輯一下。: 5
你好,產(chǎn)品里面是放彈珠的,2級(jí)孔道理是一樣,怎么加工? | ||
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點(diǎn)評(píng)
是倒錐啊,口小肚大
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