fengyan 中文意思是什麼
fengyan
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Abstract : the paper describes the process of trial run of jet - suction type centrifugal floatation cell at coal washing plant of fengyan coking compang in shangxi province, the existing problems by testing and the measures to be taken to solve these problems
文摘:文章介紹了噴射吸氣式離心浮選機在山西平遙峰巖焦化公司選煤廠的工業性試驗情況，提出了噴射吸氣式離心浮選機試驗中存在的問題，以及解決問題的措施。 -
Analysis of consumer on the tea safety. zuhui huang and fengyan qian, zhejiang university, china huangzhao li, chung hsing university, taiwan, china
. doc ， 20kb本文探討了消費者特性對于購買安全茶葉的影響
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