To prevent this condition, some pumps have "run dry" sensors that detect a lack of water flow and shut off the pump to protect it.
为了防止这种情况的发生，一些泵装有空转的探头用来保护机器当探测到没有水的情况下烧坏掉。
To prevent this condition, some pumps have "run dry" sensors that detect a lack of water flow and shut off the pump to protect it.
为了防止这种情况的发生，一些泵装有空转的探头用来保护机器当探测到没有水的情况下烧坏掉。
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