徐海乔红楼梦中人:Poor quality motor oil shoots up irregular behaviour a moment just before it breaks down.

Poor quality motor oil shoots up irregular behaviour a moment just before it breaks down. poor quality goods won't sell easily what a poor quality you are!这句话有语法问题吗？ motor driver Software Quality letter-quality export quality internal quality? memory motor 是什么 motor flange怎么译？