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DRAIN PIPE APPLIED TO A DRAIN FACILITY OF A BRIDGE TO FACILITATE ASCERTAINMENT OF THE STOPPED STATE OF A PIPE LINE AND REPLACEMENT AND MAINTENANCE OF A CURVED PART
DRAIN PIPE APPLIED TO A DRAIN FACILITY OF A BRIDGE TO FACILITATE ASCERTAINMENT OF THE STOPPED STATE OF A PIPE LINE AND REPLACEMENT AND MAINTENANCE OF A CURVED PART
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机译：排水管适用于桥梁的排水设施，以帮助确定管路的停止状态以及弯曲零件的更换和维护
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摘要
PURPOSE: A drain pipe applied to a drain facility of a bridge is provided to easily survey a stopped part of the drain pipe with the naked eye and to easily remove the stopped part by dismantling just the stopped part. CONSTITUTION: A drain pipe(30) applied to a drain facility of a bridge is connected to a drainage way of the bridge. An L-shaped elbow(40) detachable from the drain pipe via joints(60) is connected to an L-shaped curved part of the drain pipe. The L-shaped elbow has at least one see-through window(42) for ascertaining the stopped state of the L-shaped elbow. An O-ring(70) for preventing water leakage is interposed between contact sections of the joints and the L-shaped elbow.
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