低水位警报器 low water level alarm ; low water alarm ; low-water alarm device
水位警报器 water alarm ; water level alarm
高水位警报器 high water alarm
污水井水位警报器 bilge water alarm
低水位警报器开关 low water level alarm switch
水位警报范围 water level alarm range
低水位警报 low level alarm
水位报警器 water level alarm ; high and low water alarm ; SZB ; of water level alarm device
低水位报警器 [动力] low-water alarm ; low water-level alarm
高低水位报警器 high-low water level alarm ; high and low water alarm ; low water level alarm
提前发出的洪水水位上涨警报防止了又一次的重大灾害。
Early warnings of rising water levels prevented another major catastrophe.
南非提高了洪水警报级别，奥兰治河水位已经达到了自1996年已来的最高位。
South Africa raised the flood-warning level for its central Orange River area today as water levels in places were expected to reach the highest since 1996.
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