英语词汇“黑色火藥”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	黑色火藥
释义	黑色火藥 hēi sè huǒ yào用75%的硝酸钾、10%的硫和15%的木炭混合制成的火药，黑色，粒状，爆炸时烟雾很大。供军用、猎用和爆破用，也用来做花炮。黑色火药是我国唐朝时发明的。一种最早的火药。由硝石、硫黄、木炭等粉末依适当比例混合而成。爆炸时烟雾很大，常用于采矿业及爆竹工业。西元十世纪时，我国唐朝用来制作焰火。迄至十九世纪中叶发明硝化甘油和硝酸纤维以前，一直是唯一的爆炸材料。黑色火药
随便看	Systematic reivew systematic relaxation procedure systematic reliability systematic residuals systematic resources systematic respect systematic respiratory functional training systematic response systematic responsibility systematic retrofit Systematic Return Systematicreview systematic review systematic reviews systematic risk Systematic risk principle systematic risks systematics systematic safeguard systematic safety systematic sample systematic samples systematic sampling systematic sampling errors systematic sampling in two dimensions