扑灭
泡沫灭火器不能用于扑灭哪类可燃物?
不能扑救电器火灾;不能扑救忌水性物品火灾;不能扑灭贵重物品、仪表火灾。泡沫灭火器,灭火原理是灭火时,能喷射出大量二氧化开发者_如何转开发碳及泡沫,它们能粘附在可燃物上,使可燃物与空气隔绝,达到灭火的目[详细]
2023-02-17 10:46 分类:问答Rendering LaTeX on third-party websites?
There are some sites on the web that render LaTeX into some more readable form, such as Wikipedia, some Wordpress blogs, and MathOverflow.They may use images, MathML, jsMath, or something like that.[详细]
2022-12-27 19:22 分类:问答