一元继电器单元件继电器 single element relay
单列绝缘子串 single insulator string
单层线圈 single layer coil
单层绕组 single layer winding
单线图 single line diagram
单环路 single loop
拉线单杆 single member stay pole
单路磁路 single path magnetic circuit
单相导纲 single phase admittance
单相交流 single phase alternating current
单相发电机 single phase alternator
单相自动重合闸 single phase autoreclosing
单列绝缘子串 single insulator string
单层线圈 single layer coil
单层绕组 single layer winding
单线图 single line diagram
单环路 single loop
拉线单杆 single member stay pole
单路磁路 single path magnetic circuit
单相导纲 single phase admittance
单相交流 single phase alternating current
单相发电机 single phase alternator
单相自动重合闸 single phase autoreclosing
单相电路 single phase circuit
单相整劣电机 single phase commutator machine
单相整劣电动机 single phase commutator motor
单相电容起动电动机 single phase condenser motor
单相电流 single phase current
单相阻抗 single phase impedance
单相感应电动机 single phase induction motor
单相线路 single phase line
单相电机 single phase machine
单相电动机 single phase motor
单相相位计 single phase power factor meter
单相短路 single phase short circuit
单相并激电动机 single phase shunt motor
单相同步发电机 single phase synchronous generator
单相同步电动机 single phase synchronous motor
单相系统 single phase system
单相变压器 single phase transformer
单相电度表 single phase watt hour meter
单相瓦特计 single phase wattmeter
单相运行 single phasing
单点接地 single point earthing
单柱 single pole
单极熔断器 single pole cut out
单刀双投开关 single pole double throw switch
单刀单投开关 single pole single throw switch
单极开关 single pole switch
单轨区间 single rail track territory
单量程仪表 single range instrument
单荤铃 single stroke bell
单桶断路器 single tank circuit breaker