Natural ventilation is the ventilation of a building with outside air without the use of a fan or other mechanical system.
自然通风是不使用风扇和其他机械系统进行室内外气体交换的通风方式。
The signification of fan impeller repair is set forth in respects of aerodynamic, mechanical property, safety and economy.
对通风机叶轮修割的意义分别在气动性能、机械性能、安全性和经济性方面来阐述。
Trough analysing the reason of oil leakage in bearing box of induced draft fan, a new kind of mechanical magnetic oil seal is put forward to prevent oil leakage of induced draft fan.
通过对引风机常见轴承箱漏油原因的分析，提出了一种防止引风机漏油的新机械磁力油封结构。
Fan blower is an often-used equipment in mechanical industry, which is widely applied in aviation, shipbuilding, mobile and power plant etc. And it plays a very important role in production industry.
风机是机械行业里的常见设备，它广泛的应用于航空、造船、汽车、发电厂等各个领域，在工业生产中发挥着重要作用。
2 fan most of the welding process using a mechanical automatic welding , the welding quality is generally wind turbine manufacturers can not match .
风机大部分焊接工序采用机械人自动焊接，焊接质量是一般风机厂家所不能比拟的。
2 fan most of the welding process using a mechanical automatic welding , the welding quality is generally wind turbine manufacturers can not match .
风机大部分焊接工序采用机械人自动焊接，焊接质量是一般风机厂家所不能比拟的。
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