preventative maintenance

基本解释

For now, the only solutions are to apply protective dressings, keep nails trimmed short, or do some extreme preventative maintenance.
目前看来，唯一的解决方法就是加强手指保护，指甲要尽量的短（相当于没说嘛），或者采取极端方式强行保护（用脚？？）
Comments: A simple preventative maintenance program and good operating procedures can address and limit the disadvantages of this valve.
评论：一个简单的预防性的维护程序和良好的操作程序能够限制这种阀门的缺点。
Preventative maintenance in the form of weekly cycling to keep the threads clear and frequent checking of the packing for leaks are very beneficial.
每周保持螺纹清洁和经常检查衬垫是否泄漏的形式的预防性维护是非常有益的。

Cuts to budgets mean preventative maintenance and quick repair of runway equipment might not be possible, which could lead to more delays.
WHITEHOUSE: Press Briefing
But aside from that year, this industry has aggregately experienced healthy growth, a sign that consumers continue to invest money in their current vehicles, either as repairs or preventative maintenance.
FORBES: Our Aging Population, and I Don't Mean People
In addition to furloughs, the FAA is planning to eliminate midnight shifts for air traffic controllers at 60 airport towers, close over 100 control towers at smaller airports and reduce preventative maintenance of equipment.
NPR: How Budget Cuts Could Affect You