The excellent oxidative stability and low deposit formationtendency allows for service lives in excess of 8000 hours.
它具有良好的氧化稳定性，不容易生成积炭，使用寿命超过8000个小时。
2
Given the tendency within the diamond to predictability, it seemed to me fine as a defensive formation, but of less use to a team who needed to take the initiative.
Objective To analyze the movement tendency of marshland in Anhui section along Yangtze river, and the relationship between flood and the filling up or marshland and the formation of new marshland.