Tag:生物固体 - Anwen

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Tag:生物固体

污水处理后的残余怎么办？这位美国学生做出了可降解的圆珠笔 • comments:0

2019-07-10 09:27:36

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Today Quote: 「有時候做對的事而輸，比做錯的事而贏還要好。」– 東尼·布萊爾 (前英國首相)
“Sometimes it is better to lose and do the right thing than to win and do the wrong thing.” – Tony Blair, Former British Prime Minister