因此经常要调整控制钮，以维持恒定的输出压力。
Thus, frequent adjustment of the control knob is required to maintain constant delivery pressure.
通过调整控制钮，第二级把中间压力降到需要的输出压力。
By adjusting the control knob, the second stage reduces the intermediate pressure to the desired delivery pressure.
这些较新式的电视机的色彩已经调定，你不必老去动控制钮。
On the newer television sets, the colour is locked in so that you don't need to keep changing the control.
完成一个配电板设计里面有控制钮，可以引领学生、讲师、课程、课程排程跟课程编排者。
Create a switchboard design with control buttons that lead to students, instructors, courses, course schedules, and course rosters. Allow a user to add, update, or delete records in each area.
一种同步带转子流量计联动装置，包括氧气流量计 （10）和笑气流量计（9），流量计的流量控制钮（2）上 各装有齿轮；
A rotermeter linkage device with a synchronous belt comprises an oxygen flow meter (10) and a laughing gas flow meter (9); flow control knobs (2) of the meters are provided with a gear respectively;
一种同步带转子流量计联动装置，包括氧气流量计 （10）和笑气流量计（9），流量计的流量控制钮（2）上 各装有齿轮；
A rotermeter linkage device with a synchronous belt comprises an oxygen flow meter (10) and a laughing gas flow meter (9); flow control knobs (2) of the meters are provided with a gear respectively;
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