词汇	wind loading on roof
释义	wind loading on roof 顶面风荷载
随便看	double helical double-helical double helical bevel gear double helical chain double helical double helix double helical double reduction unit double helical double-reduction unit double helical gear double-helical gear double-helical-gear double-helical gearbox double helical gearherring-bone gear double helical gearing double helical gear milling machine double helical gear planer double helical gear pump double helical gear reducer double helical gears double helical heater double-helical heater double helical mixer double helical pinion double helical ribbon mixer double-helical screw mechanism double helical spring