单词：cadmium sulphide photocell
硫化镉光电管
单词：cadmium sulphide photocell 相关文章
7. Natural Yoghurt beats bad breath Sugarless yoghurt could help beat bad breath, tooth decay and gum disease, say scientists. Japanese researchers found eating the yoghurt reduced levels of hydrogen sulphide - a major cause of bad breath - in 80% of
发表于:2018-11-30 / 阅读(104) / 评论(0)
听美文故事记6级单词
听美文故事记6级单词
New Solar Cell Minimizes Environmental Risks in Manufacturing Process 新的太阳能电池减少生产中对环境的危害 Scientists in England report the development of a new solar cell that minimizes environmental risks in the manufacturing proc
发表于:2018-12-08 / 阅读(102) / 评论(0)
VOA标准英语2014年(六月)
VOA标准英语2014年(六月)
BEIJING, Feb. 2 (Xinhuanet) -- The source of cadmium contamination in the Liujiang River had been blocked and tap water in Liuzhou is safe to drink, said environmental officials of the Guangxi Zhuang autonomous region on Wednesday. Tap water from Liu
发表于:2019-02-03 / 阅读(93) / 评论(0)
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