líng chén / shí fēn / xīn / bù duì / jìn zhù / shào suǒ / zhèng shì / jiē fáng / yuán / zhù shǒu / bù duì凌晨时分,新部队进驻哨所,正式接防原驻守部队。At dawn, the new unit entered the outpost and officially relieved the troops stationed there.