double-contact造句

例句与造句

1. Projection lamps , double - contact , medium ring , base - up type , dimensions of
   双触点中等环灯头向上型投影灯的规格
2. Electric lamps - lampholders for electric lamps caps - recessed double - contact lampholder
   电灯.电灯头用灯座.内槽双接线基座
3. It's difficult to find double-contact in a sentence. 用double-contact造句挺难的