oil deterioration是什么意思 oil deterioration怎么读
oil deterioration的用法和样例
- Designers suggest dry cleaning your wool suits only twice a year to reduce deterioration of the fibers.
设计师建议羊毛套装一年只能干洗两次，这样可以减轻纤维的老化程度。 - The deterioration in air quality is a huge preoccupation here.
空气质量恶化是香港人们的一个大关注。
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