通过采用一种泵式搅拌系统，特罗斯赫博士将排泄物的发酵时间从两个星期缩短至一个星期。
SCH has reduced the amount of time it takes to digest sewage from two weeks to one, by employing a pumped mixing system.
通过采用一种泵式搅拌系统，特罗斯赫博士将排泄物的发酵时间从两个星期缩短至一个星期。
SCH has reduced the amount of time it takes to digest sewage from two weeks to one, by employing a pumped mixing system.
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