按照国际惯例,承包人索赔的代理费属于( )索赔。
A.分包费
B.总部管理费
C.间接费
D.利润
参考答案:C
A poet and artist _____ coming to speak to us about Chinese literature and painting tomorrow afternoon.
A.is
B.are
C.was
D.were
电机车脉冲调速的工作方式有三种,分别是什么方式?