伪文艺的姑娘
正在使用发音The formula of black powder is composed of sulfur, saltpetre and charcoal. Chemically, the three components are potassium nitrate (saltpetre), carbon (charcoal) and sulfur (sulfur 火药按化学角度来讲，组成三部分，木炭 硝酸钾 硫磺 火药是四大发明之一Gunpowder is one of the four great inventions几乎所有人都固定了一种配比——15份硝石，3份木炭和2份硫磺，这个配比到现代也一直在用，可谓“黄金比例”Almost everyone has fixed a ratio of 15 parts of saltpetre, 3 parts of charcoal and 2 parts of sulfur, which has been used in modern times. It can be called the "golden ratio"火药用途与领域婚庆 节假 烟花爆竹 军工方面 子弹 炮弹 Gunpowder use and field wedding holiday fireworks firecrackers military bullets
