?两个阶段
Results and Conclusion The training model of community pharmacists constructed in this research can be summarized as “two stages”, “two paths”, “various means” and “multi-sided cooperation”.
两级伸缩缸
滑动两极式
交机培训分两期
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。