explosion-proof ventilated synchronous motor
防爆通风型同步电动机
Marine explosion-proof type centrifugal fans
GB11799-1989船用防爆离心通风机
Marine explosion-proof type axial flow fans
GB11800-1989船用防爆轴流通风机
Rock burst prediction for ventilation shaft of Qinling highway tunnel and its countermeasures
秦岭公路隧道通风竖井岩爆预测和防治措施
Approach on Integration Design for Disrotatory Main Ventilator and Motor
防爆对旋主通风机和电机一体化设计探讨
Development on FBC Mining Flameproof Axial Flow Draw-out Booster Fan
FBC矿用防爆轴流抽出式局部通风机的试制
marine flame proof axial flow ventilator
船用防爆轴流式扇风机
Check all items in the checklist, such as test of content of oxygen, test of explosion point, exploded-proof lamp, good ventilation.
核对检查单并检查所有项目，如测量氧气含量，检验爆炸点，防爆灯和通风。
Electrical apparatus for explosive atmospheres--General requirements
GB3836.1-1983爆炸性环境用防爆电气设备通用要求
Modal Analysis for Petiole of High Efficiency and Energy Saving Mine Flameproof Fan
高效节能矿用防爆风机叶柄模态分析
FB series fans feature high efficiency, low power consumption, low noise, smooth operation, simple structure and easy maintenance.
FB系列矿用防爆轴流通风机具有效率高、耗低、声低、行平稳、构简单、装维修方便等特点。
Ventilation Officer [Fire Services Department]
通风系统主任〔消防处〕
technique of industrial venti1ation and dustproofing
工业通风与防尘技术
Research on the Risks Guarding and Controling of Shandong Province Fireworks Firecracker Industry
山东省烟花爆竹行业风险防范与控制研究
Finite Element Analysis for Thread Structure of Explosion-protection Fan Leaf Stalk Used in Mine
矿用防爆风机叶柄螺纹结构有限元分析
Design and Manufacture of Explosion-proof Contra-rotating Axial Fan in Mine
煤矿用防爆对旋轴流风机的设计与制造
Research on the petiole static and dynamic characteristics of the high-efficiency and energy-saving mine explosion-proof fan
高效节能矿用防爆风机叶柄静动态特性研究
A Study on the Prediction and Prevention of Rockburst in the Traffic Tunnel of Jinping Ⅱ Hydropower Station;
锦屏二级水电站交通隧道岩爆预测及防治研究