bull wheel英语标准发音:bull wheel英式发音:美式发音:翻译中文牛车bull wheel - 基本释义[词典1]大齿轮;主齿轮bull wheel - WEB词典bull wheel大齿轮大轮大绳滚筒拉绳轮起重机的水平bull wheel derrick大桅杆起重机bull wheel winch大齿轮铰盘 参考资料: 1.百度翻译:bull wheel2.有道词典:bull wheel3.爱词霸:bull wheel