英语词汇bull spool怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

单词	bull spool
释义	bull spool 简明释义大型木制筒管
随便看	emergency power source emergency power station emergency power subsystem emergency power supply emergency (power) supply emergency power(supply) emergency power supply system emergency power supply unit emergency power system emergency power unit emergency preparedness emergency preparedness emergency prescription emergency prescriptions emergency pressure emergency pressure increasing valve emergency pressure reducing valve emergency pressurization emergency price control act emergency priority emergency procedure emergency procedure emergency program emergency project emergency propulsion control board