常見例句雙語例句It shows that the average chance for exceeding the local warning water level 155cm is once per 2.5years.經(jīng)對赤灣站的檢騐，超警戒潮位出現(xiàn)的機(jī)率是平均2.5年一次。To determine the safety water level and the warning water level is of chiefly assignment for the new gauge.確定各水文站保証水位和警戒水位，是新建水文站的首要工作任務(wù)之一。Local authorities said the Qujiang and Bahe rivers and their branches have surpassed their warning water level, forcing thousands of people to evacuate.儅地政府表示，曲江和白河及其支流已超過警戒水位，上千名群衆(zhòng)被迫緊急轉(zhuǎn)移。 返回 warning water level