To determine class management objectives of vocational colleges is the key to class management.
高职院校班级管理目标的确立，是班级管理的核心价值所在。
Reach and guarantee the safe and economic management objectives of using the pipeline.
达到确保安全而又经济使用管道的管理目标。
Reach and guarantee the safe and economic management objectives of using the pipeline.
达到确保安全而又经济使用管道的管理目标。
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