型钢截面积xíng gāng jié miàn jī
area of structural steel
安全ān quán
anchor-hold, safety, security, sureness
安全别针ān quán bié zhēn
safety pin
安全玻璃ān quán bō lí
safety glass
安全措施ān quán cuò shī
safety precautions
安全火柴ān quán huǒ chái
safety match
安全剃刀ān quán tì dāo
safety razor
原声例句
TED演讲(视频版) 2018年7月合集
Structural engineers like me manage risk. We are responsible for structural safety.
像我这样的结构工程师管理风险。我们负责结构安全。
未来世界建设
Instead, the decision to approve a building or not is based on other factors like fire resistance, structural safety and quality of acoustics, and meeting those requirements is not easy.