1. A float switch inside this sump turns the pump on when the water reaches a predetermined level. 2. All day Friday, motorhomes were lined up at a series of spigots to fill their tanks before the pumps were turned off. 3. The sump pump has been turned off. 4. Clark said she refused to turn the pump on unless Robinson turned the sound down. 5. In addition, the pump must be turned off when the low fuel pressure lights are lit. |
每页显示:
共 5 句