多选题
下列所选用的炮泥封泥材料中，正确的是（ ）。
发布日期：2021-10-23
水炮泥
块状材料
黏土炮泥
煤粉
砂子
试题解析
炮泥
炮泥是用来封堵出铁口的耐火材料，可分为有水炮泥和无水炮泥两大类，前者用在顶压较低、强化冶炼程度不高的中小型高炉，后者在顶压较高、强化冶炼程度高的大中型高炉上。
- 中文名
- 炮泥
- 种类
- 水炮泥和无水炮泥
- 定义
- 用来封堵出铁口的耐火材料
- 结焦硬化温度
- 360℃左右
选用
选用是一个汉语词语，拼音是xuǎn yòng，意思是挑选或应用、选择使用；选择任用官吏。
- 中文名
- 选用
- 例如
- 我们正在选用下一代新的育种方案
- 拼音
- xuǎnyòng
- 基本解释
- 挑选或应用;选择使用
正确
正确，哲学名词，谓符合事实﹑规律﹑道理或某种公认的标准。与“错误”相对。
- 中文名
- 正确
- 词性
- 名词
- 外文名
- correct
- 拼音
- zhèng què
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