混凝土工事 meaning in English
concrete wall
Examples
- Just in case they do not , the bank will be 70 metres ( 230 feet ) underground , inside concrete walls more than a metre thick and behind a strong security door and a perimeter fence
即使不行，种子储藏库也是在70米（ 230英尺）的地下，在超过1米厚的混凝土工事里面，受到坚固安全的门和周围的保护。