| 摘要 |
Draining of the waste tank of a recreational vehicle is improved by using a motor to operate the waste hose. The motor causes the proximal end of the hose to be extended from its housing in the RV while the distal end remains attached to the waste tan. The extended proximal end can then be inserted into the access pipe of a sewer system for draining the waste tank. The motor will retract the hose when the waste tank has been emptied. The motor is operable either by throwing a switch on the motor or pressing a button on a remote control unit.
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