两曲线间缓和曲线的长度不得短于()m。 ["20","50","30","70"]
无机轻集料砂浆保温系统用玻纤网,耐碱拉伸断裂强力应() ["≥750N\/50mm","≥780N\/50mm","≥1000N\/50mm","≥1200N\/50mm"]
清漆由几部分组成?() ["没有颜料","体质颜料","大量体质颜料的稠原浆状体","漆膜"]
在无机轻集料砂浆保温系统中,玻纤网通常作为增强材料埋入()中。 ["界面砂浆","保温砂浆","抗裂砂浆","外墙腻子"]
金刚石钻进的技术参数包括下列哪些选项?() ["钻头压力","转速","投砂量","冲洗液量"]
名晾晒烟具体范围由()通过()方式确定。