main fanner

基本解釋

But take the entering a city fanner forms as the main body transient population spontaneous accumulation the community is important manifestation.
而以進城農(nóng)民為主體的流動人口自發(fā)聚集形成的聚居區(qū)便是其中的重要體現(xiàn)。
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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.
主要通風機是煤礦的重要裝備，其性能好壞直接影響礦井通風系統(tǒng)的可靠性、穩(wěn)定性、安全性和經(jīng)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 .
主要通風機是煤礦的重要裝備，其性能好壞直接影響礦井通風系統(tǒng)的可靠性、穩(wěn)定性、安全性和經(jīng)濟性；