fixed signal造句

例句与造句

1. Lamps for traffic lights - part 2 : high - voltage lamps for fixed signal lights
   交通信号灯.第2部分:固定信号灯用高压灯
2. Lamps for traffic lights - part 1 : extra low voltage lamps for fixed signal lights
   交通信号灯.第1部分:固定信号灯的超低压灯
3. Railway transport equipment . signalling equipment for rail vehicles . fixed signalling . electric signals . arrangement and characteristics
   铁路运输设备.铁路车辆信号设备.固定信号装置.电信号.配置和特性
4. It's difficult to find fixed signal in a sentence. 用fixed signal造句挺难的