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.
而以进城农民为主体的流动人口自发聚集形成的聚居区便是其中的重要体现。
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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.
主要通风机是煤矿的重要装备，其性能好坏直接影响矿井通风系统的可靠性、稳定性、安全性和经济性；
Main fanner is an important equipment in mine , whose capability directly affects the reliability , stability , security and economy of the mine's ventilation system .
主要通风机是煤矿的重要装备，其性能好坏直接影响矿井通风系统的可靠性、稳定性、安全性和经济性；