建筑行业经常使用耐用的钢管进行基础设施项目。

The construction industry often uses durable ___steel pipes for infrastructure projects.

在现代厨房中，不锈钢水槽既卫生又耐用。

A stainless ___steel sink is both hygienic and long-lasting in modern kitchens.

我欣赏古剑刀刃那凉爽抛光的钢。

I admire the cool, polished ___steel of the ancient sword's blade.