preliminary stage
短语词组
- preliminary developing stage 初步發展時期
- preliminary -stage duration 預點火堦段持續時間
- preliminary design stage 初步設計堦段;初設堦段
- preliminary exploration stage 預探堦段
- preliminary heading stage 抽穗始期
- preliminary feasibility stage 初可堦段
- work in preliminary project stage 項目前期工作
- at the preliminary design stage 初步設計堦段
- preliminary stage theory 初級堦段論 返回 preliminary stage