... 外貌光洁度比较样块铸造外貌 roughness comparison specimens cast su*ce 大概轮廓profiles 轨迹大概轮廓 traced profile ...
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我只能依稀地看见它的大概轮廓。
模具一共有三种,细节上各有不同,但是大概轮廓完全一致。
There are three moulds, differing in details, though it appears that the general outline is always the same.
首先我用一只普通的圆珠笔在背景层上画上车的大概轮廓。
With a normal black biro I have drawn this on marker paper, using a photo as an underlay.
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