词汇	holding magnifying glass
释义	holding magnifying glass 有柄放大镜
随便看	difference orthogonal discrete method difference output end difference output port Difference over sum method difference path difference pattern difference period difference, phase difference phase angle difference polynomial difference posets difference potential difference potentiometer difference preference difference pre-processing difference-pressure absorption difference pressure backwashing Difference Pressure Control difference pressure flow meter difference pressure flow-meter difference pressure piping for flowmeter difference pressure ratio difference pressure transmitter difference principle difference priority