- crashcourse）
crash into v. 闯入；撞到…上
crash test 碰撞试验
crash program 应急计划；紧急措施
crash helmet 安全帽；（飞行员，摩托车驾驶员等的）
- emergency treatment 急诊；急症治疗
emergency room 急诊室
emergency measures 紧急措施；应变措施
emergency department 急诊科；急诊室
- measuresmeasures [地]煤层
emergency measures 紧急措施；应变措施
weights and measures [经]度量衡
supporting measures 配套措施；保障措施
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3G,
401(K),
a,