improvement on preparatory treatment的意思|示意

美 / / 英 / /

预处理的改进

preparatory training for minorities 少数民族预备训练
preparatory training program 预备训练计划
stage of preparatory rising 准备上升阶段
preparatory examination stage 预审阶段
project preparatory stage 项目筹备阶段
preparatory heat treatment 预备热处理
Preparatory care for subsequent treatment, not elsewhere classified 后续治疗的预备护理，未在其他地方分类
Business Preparatory Work 业务准备工作
I now preparatory work 我现在准备工作
completed the preparatory work 完成前期准备工作