protective gap保护放电器,保险隙
protectiveadj.保护的;防卫的
protective legal interest保护法益
protective earth terminal保安接地端
Protective specimen brush保护性毛刷
protective plug-in unit保护插件
protective neutralization接零保护
Protective enzymes system保护酶系统
protective sensory system防卫性感觉系统
protective powder coating防腐蚀粉末涂料
protective countermeasure保护对策
protective coat'extracted