Explanation: Our company is being reserved the right to improve the product described in this handbook (specifications). And the alteration of its function design will not be notified later.
说明：本公司保留对本手册(说明书)中所描述的产品进行改进的权利，功能设计若变更，恕不另行通知。
2
For this new product, NSK analyzed the preload alteration and used a preloaded form in which the preload does not increase even if the nut is cooled.
对于这种新产品，NSK的分析预改建和使用的形式，其中预装预装不会增加即使螺母冷却。
3
Piedmont potassic alteration zone is the product of potash feldspathization, part of the zone is ore body.