简述防锈涂料的防锈机理？
参考答案：
防锈涂料就是在金属表面形成一层致密的涂膜，将氧气和水分的渗透减少到最低程度。
As far as I am concerned, education is about learning and the more you learn, ________. [ ]
A. the more for life are you equipped
B. the more equipped for life you are
C. the more life you are equipped for
D. you are equipped the more for life
操作者在井场施工时，为何要检查路况？
