【单选题】石子最大颗粒尺寸不得超过结构截面最小尺寸的 ,同时不得大于钢筋净间距的 3/4
【单选题】石子最大颗粒尺寸不得超过钢筋净距的( )倍。
【单选题】听力原文:The cancer survivors were at higher risk of problems like heart disease and early bone loss. Chemotherapy can damage bone growth during an important period of development. And radiation for some ...
【单选题】After the big fire, some of the survivors were sent to the hospital for the treatment of smoke ________ and other serious injuries.