Used for cutting, drilling and chamfering plain glass and triples glass.
用于平板玻璃、夹层玻璃的切割 、 钻孔、倒角.
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Hypertension nearly triples the risk for men and doubles it for women.
高血压将使男性患病风险增至普通风险水平的近三倍(女性为两倍).
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The method of deducing Pythagorean Triples ( irreducible and reducible ) is explained.
并说明了互素勾 股数 组的导出方法.
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