unprotected steel
常见例句
- Once the coating is consumed, the unprotected thin sheet steel disintegrates in a few years.
一旦镀锌表皮失效，那么薄薄的钢板便失去了保护，几年之内就会开裂。
blog.sina.com.cn - Results showed that, due to the heat absorbed by the concrete, the temperature field was lower than that of unprotected steel structure;
结果表明：由于混凝土的吸热作用，钢梁的温度明显低于无混凝土时的裸钢构件； 返回 unprotected steel