2) ordinary wear and tear
通常损耗自然损耗
4) exhaust of nature
自然损耗
1.
There are many factors of the exhaust of nature that affect the economy of oil storage, these factors include qualitative ones and quantitative ones and each of them is hard to describe accurately, so the process of evaluation is fuzzy.
这种因自然损耗对储油经济带来的影响因素很多,既有定性的,又有定量的,且各因素大多又难以精确地描述,因此,为了反映这些不确定因素对油罐储油经济性的影响,运用多级模糊综合评判的方法,对储油经济性进行综合评判。
5) natural wearing
自然耗损
6) normal wear
正常磨损
1.
The conclusion is reached that the normal wear is not avoidable but can be decreased when the plate which can meet certain working condition is manufactured with correct material and treated with certain process.
从宏观和微观的两方面阐述了磨片磨损的几种形式和磨损机理,认为正常磨损是不可避免的,通过对材质进行合理选择或者进行一定的工艺处理,生产出满足一定工况条件的磨片,只能降低正常磨损引起的损耗;同时,采用适当的措施,非正常磨损是完全可以避免的。
补充资料：通常
1.平常，普通。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条