A heavily reinforced building used for launch operations of missiles and space launch vehicles.
火箭发射防护室用于发射导弹和太空飞行器的牢固建筑物
A covering for a wheel, usually made of rubber reinforced with cords of nylon, fiberglass, or other material and filled with compressed air.
轮胎车轮的覆盖物, 通常由用尼龙绳、玻璃纤维或其它材料加固的橡胶制成, 并注入了压缩的空气
The concrete walls are reinforced with steel rods.
混凝土墙是用钢筋加固的。
