High Performance Industrial Cooling Fan features a 30 "blade diameter."

高性能工业冷却风扇采用了30英寸直径的叶片。

youdao

Direct Drive Industrial Fan models have a blade diameter of 36 ", 8 "rubber wheels and a 15 'conductor cord.

直接驱动工业风扇有叶片直径为36英寸，8英寸橡胶轮和15英尺软线。

youdao

Shutter Mounted Industrial Exhaust Fan models are available with a blade diameter of 12 ", 18 ", 24 "or 30".

快门式工业排风扇根据型号，刀片直径分别为12英寸，18英寸，24英寸或30英寸。

youdao

It will feature six wind turbines with a maximum height of 64 metres and a maximum blade diameter of 71 metres.

BBC: ?22m Tyrone wind farm 'to bring 20 jobs'

Driven by a six-blade mahogany fan (see top picture) with a diameter of 9.1m, the tunnel was used to test full-sized aircraft prototypes like the Spitfire.

BBC: NEWS | UK | Magazine | Concrete steeped in history