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这句英文 语法对吗
I have talked with our engineer.But we couldn't find a way to make this kind of part which has two layers.
人气:289 ℃ 时间:2020-02-06 01:54:51
解答
我跟工程师谈过了,但我们找不到制造这种双层零件的方案. 没有问题
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