It is mainly used for the forming cutting of fur, paper, leather, synthetize materical and nonmetal material.
主用于皮革、纸板、泡沫、人造革、布塑合纤维和非金属材料借助于型裁断。
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And remember as we get to zinc we're moving over towards those nonmetals.
请记住, 当得锌时, 在转向那些。
Generally in covalent bonds it's going to be 2 nonmetals.
通常在共价键中, 它将是2种。
In ionic it's going to be metal and nonmetal.
在离子中它将是和。
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