This paper studies the intensity of friction wheel in detail, taking the friction wheel of tower friction hoist with four ropes produced by CITIC Heavy Machinery Inc. in LuoYang as the model.是什么意思_This paper studies the intensity of friction wheel in detail, taking the friction wheel of tower friction hoist with four ropes produced by CITIC Heavy Machinery Inc. in LuoYang as the model.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句