看來,牠等很久了 笑死XD
3D printing - Wikipedia, the free encyclopedia 這隻狗一定預謀很久....XDD3D printing (or additive manufacturing, AM) is any of various processes used to make a three-dimensional object.[1] In 3D printing, additive processes are used, in which successive layers of material are laid down under computer control.[2] These objects ...
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