Array
(
[0] => Array
(
[id] => 2
[name] => 首页
[category_id] => 221
[url] =>
[active] => 1
[position] => 1
[blank] =>
[is_out] =>
)
[1] => Array
(
[id] => 4
[name] => 氿上商城
[category_id] => 221
[url] => goods
[active] => 1
[position] => 2
[blank] =>
[is_out] =>
)
[2] => Array
(
[id] => 1
[name] => 学习园地
[category_id] => 221
[url] => news
[active] => 1
[position] => 5
[blank] =>
[is_out] =>
)
[3] => Array
(
[id] => 16
[name] => 氿上知道
[category_id] => 221
[url] => question
[active] => 1
[position] => 4
[blank] =>
[is_out] =>
)
[4] => Array
(
[id] => 5
[name] => 供求信息
[category_id] => 221
[url] => trade
[active] => 1
[position] => 3
[blank] =>
[is_out] =>
)
[5] => Array
(
[id] => 3
[name] => 软件下载
[category_id] => 221
[url] => jsyjj/list/409
[active] => 1
[position] => 6
[blank] =>
[is_out] =>
)
[6] => Array
(
[id] => 46
[name] => 氿上云管理
[category_id] => 221
[url] => yun/index
[active] => 1
[position] => 7
[blank] =>
[is_out] =>
)
[7] => Array
(
[id] => 22
[name] => 氿上花园
[category_id] => 221
[url] => garden
[active] => 1
[position] => 999
[blank] =>
[is_out] =>
)
)
水泥砂浆与混凝土在作用上有什么区别？两者能不能互相代替？ - 工程施工 - 项目管理 - 氿上知道
返回顶部
满意答案
而水泥砂浆是水泥、沙子和水的混合物。它没有骨料，不能形成坚强的骨架，难以承受强大的荷载。水泥砂浆的用途，在建筑工程中，一是基础和墙体砌筑，用做块状砌体材料的粘合剂，比如砌毛石、红砖要用水泥砂浆；二是用于室内外抹灰。
两者不能混为一谈，只能在修补梁，柱、板的麻面时才能用在它们的表面上。
逸夫的善良
回答于：2013-08-22
共2条回答