基本解释[机械工程]定时限词组短语短语definite -time limit relay 逆时定时限继电器;定时限继电器;翻译inverse -time definite time limit relay 反时定时限继电器;定时限继电器definite time -limit release 定时限释放definite minimum time -limit relay 最小定时限继电器;时限继电器definite-time limit更多词组专业释义机械工程定时限