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。
A lightweight protective helmet, usually of metal or reinforced plastic, worn by workers in industrial settings. 安全帽一种工人们在工业生产环境中戴的通常用金属或加强塑料制成的轻型保护头盔