yù / dào / jǐn / jí / qíng / kuàng / shí / qǐng / yòng / bù / huà / jī / tōng / zhī / zhí / bān / rén / yuán遇到紧急情况时,请用步话机通知值班人员。In an emergency, please use the walkie-talkie to notify the staff on duty.