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底盘系统采用久经考验的部件制造，强大稳固，专为条件恶劣的林区作业而量身定制。
a robust undercarriage utilizes proven components, customized for demanding forestry conditions.
最后更新： 2011-03-15
使用频率： 4
质量：
确认这些公约体现的基本原则和权利提供了一个久经考验的保护制度，在这种制度下千百万难民得以逃避武装冲突和迫害，
recognizing that the fundamental principles and rights embodied in those conventions have provided a resilient protection regime within which millions of refugees have been able to find safety from armed conflicts and persecution,
最后更新： 2016-12-04
使用频率： 7
质量：