?维修间距
... serviceability 耐用性 servicing clearance 维修间距 set condition 伺应状态 ...
The support troops perform a variety of functions such as mine clearance, equipment servicing, construction,air support, medical services and many others.
VOA : standard.2009.10.13
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。