The sophisticated designs of digital pressure display, precise negative pressure adjustment, and foot switch control make this mute oil pump more convenient to manipulate.
特殊设计的数字式压力显示，精密负压调谐，外置控制脚踏开关和精心选配的低噪声无油膜式泵，使产品更方便操作控制和使用。
The device adopts one switch to control the taximeter and the display card, to simplify the control process of drivers, thereby saving the time of driver's control and saving labor strength.
此装置用一 个开关同时控制了计价器和显示牌的工作，使之简化了司机的控制步骤，使司机的控制更加 省时省力。
The instrument is based on the idea of module; it is consist of main-control module, sampling-measurement module, display module, switch-control module, trouble-record module and the upper computer.
网络仪表采用模块化思想，整个装置由主控模块、测量模块、显示模块、开关控制模块、故障录波模块以及上位机组成。
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