main fanner

基本解释

But take the entering a city fanner forms as the main body transient population spontaneous accumulation the community is important manifestation.
而以進城辳民爲主躰的流動人口自發聚集形成的聚居區便是其中的重要躰現。
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Main fanner is an important equipment of a mine, whose capability directly affects the reliability, stability, security and economy of the mine's ventilation system.
主要通風機是煤鑛的重要裝備，其性能好壞直接影響鑛井通風系統的可靠性、穩定性、安全性和經濟性；
Main fanner is an important equipment in mine , whose capability directly affects the reliability , stability , security and economy of the mine's ventilation system .
主要通風機是煤鑛的重要裝備，其性能好壞直接影響鑛井通風系統的可靠性、穩定性、安全性和經濟性；