原位轴压法适用于推定240mm厚()的抗压强度。
A.普通砖砌体
B.多孔砖砌体
C.粉煤灰砖砌体
D.空心砖砌体
E.混凝土空心砌块砌体
参考答案:A, B
He chose to teach in a mountain village, though he in the city for a better life.
A.could stay
B.would stay
C.could have stayed
D.should have stayed
对高温作业分级按照工作地点WBGT指数[即湿球黑球温度(℃)]和接触高温作业的时间将高温作业分为()级,级别越高表示热强度越大。
A.2
B.3
C.4
D.5