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那时,人们还热衷于“绿色环保”新概念的探讨;腐植酸举起了“绿色环保”大旗,走上了绿色环保产业发展之路。那时,业界人士还在质疑,腐植酸何以
At that time, people were also keen to explore the new concept of “green”; humic acid raised the banner of “green” and embarked on the road of development of green industry. At that time, the industry is still questioning, humic acid why