flat-bottomed rail中文

• 寬底鋼軌

• flat:    adj. (flatter; fla ...
• bottom:    n. 1.底，底部。 2.地基，基礎 ...
• rail:    vi. 咒罵，責備；抱怨 (agai ...

例句與用法

1. Railway fixed equipment . sleeper screws for flat - bottom rails
   鐵路固定設備.寬底式普通道釘
2. Railway fixed equipment . sleeper screws with seating for flat - bottom rails
   鐵路固定設備.平軌用帶墊枕木螺釘
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
   鐵路固定設備.大于kg m的g g形平底軌及其魚尾板的切割和鉆孔