例句與造句

1. Shipbuilding . engine and boiler rooms . floors and ladders . drawn gauged steel ladder and platform rails
   造船工業(yè).發(fā)動機和鍋爐艙.地板和梯子.標準冷拉鋼梯和平臺
2. It's difficult to find platform railing in a sentence. 用platform railing造句挺難的