一般情况下,设防烈度可采用( )
地震区砌体结构房屋的总高度限值与下列哪些因素有关() Ⅰ.砌体类型; Ⅱ.砌体强度; Ⅲ.砌块强度; Ⅳ.结构类型及抗震设防烈度
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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