间隔调速
参考答案:
保证在任何溜放过程中前后钩车之间有足够的间隔,以能安全转换道岔和减速器,并防止前后钩车进入相邻线路时在警冲标处的侧面冲突,这种调速功能称之为间隔调速。
— Why did John ask me about the problem?
— _______,he tried to find a better way to settle it. [ ]
A. Not to be satisfied
B. Not satisfied
C. Not being satisfied
D. Don't satisfy
()时期为棉花施肥高峰期