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[自]差压开关；压力差电门
1、differential reinforcement───区别性强化
2、switches off───（用开关）关掉；切断（电源）
3、differential equations───微分方程
4、switches on───接通，开启
5、pressure───vt.迫使；密封；使……增压；n.压力；压迫，[物]压强
6、differential calculator───微分计算器
7、compensating differential───补偿性差别
8、differential───n.微分；差别；adj.微分的；差别的；特异的
9、differential pressure───压差; 压力降; 压力落差; 差动压力；[流]压差
1、The C437D, E Gas Pressure Switches are pressure-actuated switching devices used in industrial gas system applications for safety shutoff, pressure control, and differential-pressure control.───该C437D，电子气体压力开关的压力驱动开关器件在工业气体安全关断，压力控制XiTong应用中，和压差控制。
2、way to ensure water flow of air cooled heat pump chiller was introduced. The application of differential pressure flow switches in air cooled heat pump modular chiller was studied.───分析了模块式风冷热泵冷热水机组水流量保证的方法，研究了压差式流量开关在模块式风冷热泵冷热水机组中的应用。
3、Using differential pressure switches, it is possible to, e. g. , transmit readings to a central control unit as soon as the filter has attained a specified degree of contamination.───使用压差开关一旦过滤器达到特定污染等级，可以传送读数至中央控制单元。