单词：colloid stabilizer
胶体安定剂
单词：colloid stabilizer 相关文章
Once A Regional Stabilizer, Saudi Arabia Becomes A Disrupter MARY LOUISE KELLY, HOST: For generations, Saudi Arabia's monarchs have based their rule on tradition and caution and, above all, stability. Crown Prince Mohammed bin Salman represents a bre
发表于:2018-12-01 / 阅读(290) / 评论(0)
2018年NPR美国国家公共电台10月
2018年NPR美国国家公共电台10月
1975 、 双圆头锤 blockinghammer 1976 、 双极面结型晶体管 bipolarjunctiontransistor 1977 、 双线规；榫规 mortisegauge 1978 、 双头砂轮机 double-endedgrinder 1979 、 双头螺栓
发表于:2018-12-08 / 阅读(194) / 评论(0)
英文名句短语
英文名句短语
It's been protected from human impact since 1909. With three million acres, nearly a half million under water, Superior National Forest is largely unspoiled. But now the survival of this national treasure rest with those who would see some of it bur
发表于:2018-12-30 / 阅读(175) / 评论(0)
国家地理2008年
国家地理2008年