客车RC3型车轴装用()轴承。
A、42724T—152726T
B、42726T—152724T
C、42724T—152724T
参考答案:C
() software, also called end-user program, includes database programs, word processors, spreadsheets etc.
A.Application
B.System
C.Compiler
D.Utility
砼养生的主要方式有洒水养生、塑料布覆盖养生及()。