硅大功率开关三极管
silicon large power switch triode
三工位气流冲击造型机
impulse moulding machine of three working positions
三工位系统
three-directional beam delivery system
三工位压力机
three operating positions press
三工位指示机构
three work position indication mechanism
四开关三相
Four-switch Three-phase Inverter
时间多工开关
TMS Time – Multiplexed Switch
TMS Time C Multiplexed Switch
变速杆开关位置
shift lever switch location