| 摘要 |
A fluid delivery system is provided that includes a telescopic pole, a valve, and an element for operating the valve. The telescopic pole has a hose running therethrough. The pole has a distal end connected to or including a dispensing head. The valve controls the flow of fluid from the hose to the dispensing head. The element is located at the proximal end portion of the pole and remains at the proximal end portion as the telescopic pole is extended and retracted. |
