TTabbr.电汇(=telegraphic transfer)abbr.炮弹等飞行时间(=time of flight）abbr.电传打字电报机(=telotype)ttl logic晶体管 晶体管逻辑tter file装配工锉ttery pot陶壶ttled wall篱笆墙tting curb沉井筒脚,沉箱刃脚TTC method四唑染色tty siganl电传机信号Tthickener浓缩机TTC system测控系统TTY device字符设备