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- 三相CSR three-phase CSR
- 相 mutually
- 三相VSR three phase VSR
- 三相UPS three-phase UPS
- 三相步进 Three-phase stepper
- 三相四线 three-phase four-wire
- 三相结构 three-phase structure
- 三相共筒 3-phase in one enclosure
- 三相五柱 triphase and pentapole
- 三相四线制无功与谐波全补偿的并联有源电力滤波器的研究 Study of Shunt Active Power Filter Realizing Reactive Power and Harmonics Compensation in Three-Phase Four-Wire System
- 三相变四相 Three-phase to four-phase
- 三相四线插头 Three phase four wire plugs
- 三相省电装置 Three phase power saving unit
- 三相四桥臂 Three-phase four-leg
- 三相不平衡 three-phase imbalance
- 三相五线制 three - phase five - wire
- 三相五柱式 three phases and five columns
- 三相无中线 three-phrase three-wire system
- 三相四线耦合器 Three phase four wire couper
- 三相数字电表 digital electric meter
