pressure meter switch

基本解释

The quick trunk injector comprises a reservoir pressure-meter, a spring balance, a transfusion pipe, a liquid valve, an air pinhead and a switch.
快速樹乾注射器主要由貯液瓶、壓力表、彈簧秤、輸液琯、注葯口、氣門嘴、注射針頭、開關等幾部分組成。
Button-meter located on the lower limit of two switch contact device, the pressure to set a signal or when the value of on-off control circuit for the operating system's automatic control or the use.
紐釦式儀表設上下限二位開關接點裝置，在壓力達到設定值時發出信號或通斷控制電路，供作業系統自動控制或發訊用。
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