【单选题】KL2的净跨长为7200mm,梁截面尺寸为300*700,箍筋的集中标注为 10@100/200(2)一级抗震,求箍筋的非加密区长度 ( )
【单选题】______ at the seaside! [ ]
A.
How fun did the children have
B.
How fun the children had
C.
What fun the children had
D.
What a fun the children have
【多选题】片石是开采石料时的副产品,体积较小,形状不规则,用于( )。
【多选题】混流式水轮机模型主要综合特性曲线的等值曲线包括:
【单选题】球墨铸铁焊条电弧焊时,焊前工件应预热至( )°C