单词	head to tail structure
释义	head to tail structure 头对尾结构
随便看	coal mine safety in production coalmine safety management coal mine safety management coal mine spoil coal mine spoils coal mines safety management coal mine subsidence coal mine supervision coal mine survey coal mine switching-out controller coal mine system coal mine tailing coal mine transformer substation coal mine transformer substation data coal mine transient electromagnetic method coal mine tunnel coal mine underground coal mine undertaking coal mine under villages coalmine ventilation coal mine ventilation coalminevideocommunication coalmine virtual environment system coalmine waste coal mine waste area