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Check out water cooling towers, float switch and sprinkler head is normal or not.
随时检查冷却水塔水位、浮球开关及洒水头是否正常酒水团购。
youdao
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Water, he thought, hearing the soft splash of a lawn sprinkler;
他听到草地上洒水装置轻微的洒水声，就想到了水；
youdao
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Water, he thought, hearing the soft splash of a lawn sprinkler;
他听到草地上洒水装置轻微的洒水声，就想到了水；
youdao