A.They think it is only to the taste of the old. B.They find it involves fewer players than football. C.They consider it not exciting enough. D.They believe it has nothing to do with physical exercise.
【简答题】根据教材 P117 图 4-21 发送器外部连接示意图,导线将其外部端子( )与 +24V 端 连接起来,即确定发送器的中心载频为 1700-1 型。 A 2-13 B 2-14 C 2-15 D 3-15 E 3-16 F 3-17A. 2-13B. 2-14C. 2-15D. 3-15E. 3-16F. 3-17