flat-bottom rail造句

例句与造句

1. Railway fixed equipment . sleeper screws for flat - bottom rails
   铁路固定设备.宽底式普通道钉
2. Railway fixed equipment . sleeper screws with seating for flat - bottom rails
   铁路固定设备.平轨用带垫枕木螺钉
3. Railway fixed equipment . sawing and drilling of flat - bottom rails of types superior or equal to 26 kg m , of 60 g , 70 g grooved rails and their fischplates
   铁路固定设备.大于kg m的g g形平底轨及其鱼尾板的切割和钻孔
4. It's difficult to find flat-bottom rail in a sentence. 用flat-bottom rail造句挺难的