当索赔事件持续进行时,承包人应阶段性发出索赔意向通知,索赔事件终止后( )天内,向工程师提供索赔的有关资料和最终索赔报告。
A.7 B.14 C.28 D.56
参考答案:C
She was surprised when she was greeted by a stranger.______ she was greeted by a stranger.
T68镗床主轴机构中钢套与主轴的配合间隙为()。
A.0.005~0.01mm
B.0.015~0.02mm
C.0.02~0.03mm
D.0.05~0.1mm