在AD/Cycle的跨周期管理中,需求分析阶段使用的方法包括分析工具,建模工具和______工具。
参考答案:
_______ he was tired, _______ he didn't stop _______. [ ]
A. Although; but; to rest
B. Though; /; working
C. Although; /; resting
D. Though; but; working
我公司的磨煤机料位测量有()、()两种基本方式。