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 zip quality poor photo quality costs of poor quality motor THE c____complained about the poor quality of the electronic products.?~~~~~~~~~~~~~~~~~~ quality quality. Quality 雅思填空 大意对 给分吗比如,参考答案是：poor sound quality,我写的是 poor sound. they are turned off by the poor quality of modern goods.是被动用法吗 请问“the film of movie theater is very poor quality.”这个句子有什么毛病? o my god!my poor english poor poor poor poor poor