判断题,12.5分] 《规范》规定当V≤0.7ftbh0时,截断点到该钢筋充分利用截面的延伸长度ld不应小于1.2la,且距该钢筋理论断点的距离不小于20d。
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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