发布时间:2025-01-27 14:04:59
【答案】:C
2020版教材P74
三、混凝土小型空心砌块砌体工程 (1) 混凝土小型空心砌块分普通混凝土小型空心砌块和轻骨料混凝土小型空心砌块 (简称小砌块)两种。 四、填充墙砌体工程 (1) 砌筑填充墙时,轻骨料混凝土小型空心炮块和蒸压加气混凝土砌块的产品龄期不 应小于28d,蒸压加气混凝土炮块的含水率宜小于3 0 % 。
220v4kw发热管24支用三相四线接零线配多大铜线相线铜线配多大
2025-01-27 14:04:59 2025-01-27 14:04:59开学大家拿什么放被子的呀旅行箱太小放不下太大的没办法拉到楼上怎么办好呀
2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59panasonic 松下 srdc186n 电饭煲 48l厨房小电47电饭煲
2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59 2025-01-27 14:04:59