preparatory plan短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 施工准备计划 Formulating preparatory plan and making decision for emergency are two key links of emergency. 应急预案的建立和应急决策是应急的两个关键环节。 fabiao Preparatory plan is a solution that be made ahead of time for forests emergencies. 应急预案是对林区灾害应急的预制方案。 fabiao