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1·In fact, the Canadian Arctic Archipelago acts as a drain trap for ship-wrecking multiyear ice, Howell says.

郝伟说，事实上，加拿大北极群岛起到了将能够毁坏船只的多年冰引入西北通道的作用。

2·This invention relates to structural changing of the waste water drain trap in housing construction and the double valve water tank of the waste water filter and sanitary ware urinal.

本发明涉及改变住宅建设排水管结构及废水过滤器和卫生洁具便池双阀水箱，改变各楼层废水排水管结构利用二次水自流过滤流入便池水箱冲洗便池及冲洗拖布。

3·Accumulated dirt and sludge can be removed by blowing down through the drain in the bottom of trap.

通过疏水阀底部的排放阀可以清除累积的污垢和淤泥。

4·The utility model provides a filtering device for a steam trap which has the functions of a flush filter screen and the condensation water drain pipe bypass of steam equipment.

本实用新型提供了一种具有冲洗过滤网及用汽设备凝结水排放管旁路功能的疏水阀过滤装置。

5·Pneumatic Angle. Vent valve, filter, the drain valve, the valve, the diaphragm valve, cock, piston valve, valve, valve, copper heat water valves, balance valve, trap, solenoid valves.

排气阀、过滤器、排污阀、底阀、隔膜阀、旋塞阀、柱塞阀、铜阀门、保温阀门、水利控制阀、平衡阀、疏水阀、电磁阀。