钢结构工程施工质量验收规范(GB50205-2001):C级螺栓孔(2类孔),孔壁表面粗糙度Ra不应大于()μm
A.12.5
B.20
C.11.5
D.25
参考答案:D
Are you___________ with your classmates? [ ]
A. fine
B. well
C. OK
D. good
逍遥散的主治证是()
A.心脾气血两虚证
B.脾虚肝旺证
C.肝郁脾滞证
D.肝肾阴虚证
E.肝郁血虚脾弱证