preliminary stage
短语词组
- preliminary developing stage 初步发展时期
- preliminary -stage duration 预点火阶段持续时间
- preliminary design stage 初步设计阶段;初设阶段
- preliminary exploration stage 预探阶段
- preliminary heading stage 抽穗始期
- preliminary feasibility stage 初可阶段
- work in preliminary project stage 项目前期工作
- at the preliminary design stage 初步设计阶段
- preliminary stage theory 初级阶段论 返回 preliminary stage