结构坚固的英文：
haevy buliding

Shanghai Oriental Pearl Radio and Television Tower is advanced in design and sturdy in construction.
上海东方明珠广播电视塔，设计先进，结构坚固。

Our factory's new anti-theft safety looks are Both sturdy and durable.
本厂新推出的防盗保险锁，结构坚固，经久耐用。