您要查找的是不是：
- exhaust ventilating fan 排出通风扇
- The design of this ventilating fan is very new. 这个排气扇的样式很新颖。
- Electric Fan, Powerful fan, Ventilating Fan, etc. are our main products. 电风扇，强力风扇，换气扇等，是我们主要的产品。
- Regeneration production of ventilation fan. 换气扇的换代产品。
- The findings indicate that, in high elevation areas, actual working performances of ventilating fan will vary with the density of airflow. 研究表明，高海拔地区，风机的实际工作风压和风机的电机功率随风流密度的降低而降低。
- Ventilation: Good general or local exhaust ventilation are required for usage. 通风措施:需要使用适当的通风装置。
- ENGINEERING CONTROLS: Use local exhaust ventilation to control dust. 工程控制:使用当地除尘通风设施。
- To install, test, control, service and clean air-conditioning equipment, including ducting, fan coil units, air handling units and ventilating fans. 安装、维修及清理空调设备，包括大小型送风及通风系统等。
- To install, perform maintenance and clean air-conditioning equipment, including ducting, fan coil units, air handling units and ventilating fans. 同时也配备了防火设备以确保咖啡店的安全。
- Ventilation: positive downdraft exhaust ventilation should be provided to maintain vapor concentration below TLV. 通风：为了使气体聚集程度维持在阀极限值之下，应提供通畅的向下棋流排气通风设施。
- Simulation of the Air Flow Inside a Ventilating Fan 风机内空气流动仿真研究
- Ensure efficient exhaust ventilation in the working area. Avoid contact with eyes, skin. 工作区保持通风良好,避免触及眼睛、皮肤。
- Boiler ventilating fan and induced fan 锅炉通引风机
- Ensure efficient exhaust ventilation in the working area. Do not use at source ignition. Avoid contact with eyes, skin. 工作区保持通风良好,远离易燃物质,避免触及眼睛、皮肤。
- Dust remove centrifrgal ventilating fan 排尘离心通风机
- It is a general belies that exhaust ventilation method is not suitable for spontaneous combustion mines. 在发火矿山不应采用抽出式通风,这是人们的普遍认识。
- anti-explosion part ventilating fan 防爆局部通风机
- Local exhaust ventilation or other engineering controls are normally required when handling or using this product to avoid overexposure. 使用时避免过度暴露,必要时使用当地抽风系统或其它工程控制。
- Please conserve water &energy. Switch off the air-conditioner &ventilation fan &turn off the tap before leaving. 请节省水电，离开前请关上冷气机、抽气扇、电灯及水制等。
- Engineering contacts: If general ventilation is insufficient to maintain vapor concentration below Established exposure limits, use local exhaust ventilation. 如果在不够通风的条件下处理,需要采用一定的通风设备进行处理。
