辅助通风 meaning in English
assistant draft
assisted draft
assisted draught
auxiliary ventilation
secondary ventilation
supplementary ventilation
Examples
- Auxiliary ventilation in coalmines ; fans with electric motor drive
矿山辅助通风设备.电动机驱动的风扇 - Auxiliary ventilation for mining ; flanged sheet metal reducers
矿井辅助通风设备.带法兰的薄金属板制异径接头 - Auxiliary ventilation in coalmines ; fans with hybrid electric pneumatic drive
煤矿辅助通风设备.带组合驱动装置电动气动的风 - Auxiliary ventilation for mining ; sheet metal connectors with flange and shoulder
采矿辅助通风设备.带法兰-凸肩的薄金属板连接器 - Auxiliary ventilation for mining ; sheet airducts , with collars and loose flanges
矿井用辅助通风设备.带卡圈和活动法兰的钢制通风管