定时信管 Traditional 定時信管 dìng shí xìn guǎn 🔊 timed detonator + Keep this word Meanings dìng shí xìn guǎn 定時信管 timed detonator Its characters 定dìngto fix; to set; to make definiteHSK 4时shítime; hour; period; seasonHSK 2信xìnletterHSK 3管guǎnto take care (of)HSK 4