main line
【经】 主要部门, 制造部门
main department
暂无补充释义。
相关词条
main engine
cardinal plane【电讯】;main plane【航】;primary flat【电子】
main loop
undermine
mine
main pulley for secondary change-speed
carmine
main department
暂无补充释义。
main line
main engine
cardinal plane【电讯】;main plane【航】;primary flat【电子】
main loop
undermine
mine
main pulley for secondary change-speed
carmine