air crash fire rescue是什么意思

用法例句

Changes of free fatty acid of serum,blood glucose and body weight in disabled submarine simulation at normal pressure;

模拟失事潜艇常压环境中人血清游离脂肪酸、血糖和体质量变化

Considering the potential failure modes in levee engineering,the mathematical models of hydrological failure risk and slope slide instability risk for levees are improved.

基于堤防工程可能的失效模式,修正了水文失事风险率和边坡滑动失稳风险率计算模型。