顺序阀并联于油路上，它是利用系统中的压力变化来控制油路的通断。
参考答案：错
Miss Lin expressed her strong determination that nothing could make her ____ her job as a teacher.
A．give away
B．give out
C．give in
D．give up
德国的恋诗歌手（minnesinger）和名歌手（Meistersinger）？
