9170| 11
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壽命30000次的快速模(軟模)一般用什么材料做 |
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有必要我給你們公司當(dāng)模具技術(shù)顧問(wèn),!
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退休了,!只能做做顧問(wèn)一類(lèi)的事情,!
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