规定牌号 meaning in English

code designation

7 . no parts and components or complete power unit warranty will be delivered if gear shaft seize , cylinder scraping or moving friction pad are seriously worn out , resulting in damaging relevant parts or complete power unit , due to lack of oil insufficient engine oil or failure of engine oil or improper use of engine oil following engine instruction
因缺油机油量不足机油失效或未按发动机使用说明书规定牌号使用机油，导致咬轴抱轴拉缸或各运动摩擦付严重磨损，而损坏相关零部件或导致整机毁坏的，相关零部件或整机不给予保修。