the wheels of life

In order to customise the test to your requirements, choose from a wide variety of abrading wheels and abraser accessories to simulate real-life wear conditions.

为了自定义的测试您的要求，选择从磨石配件种类繁多的研磨轮，以模拟真实的磨损情况。

Is it really more efficient for 20 sales people to all do their own expenses and travel, or can one person who really understands both the software and the rules help remove some of the grit from the wheels of corporate life?

让20名销售人员都自行处理他们个人的费用报销以及差旅事务真的更有效率吗，抑或一个既懂软件又了解相关规章制度的人有助于让公司生活少一点烦扰？

The tires allow for rubber to be re-injected once breakdown of the first set occurs, allowing for longer life and less ( maybe even NO) dumping of waste because of wheels.

轮胎橡胶允许被重新注入曾经是第一组发生故障，更长的寿命和更小（甚至无）因车轮倾倒废物允许。