The shaft of the ceremonial mace is the whorled tusk of a narwhal, a small Arctic whale. The door handles are of walrus tusk.

仪式权杖柄是用一种小型的北极独角鲸的牙齿制成的。门柄是用海象的牙齿制成的。

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The utility model relates to a changing device for a door shaft of a refrigerator door.

本实用新型涉及一种电冰箱箱门门轴转换装置。

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With measures adopted to adjust entrance taper, open of air door, and alignment of the shaft coupling between blower and motor, the main exhaust blower can keep in steady operation.

通过调整入口锥、风门开度、主抽风机与电机之间的联轴器对中等措施，保证了主抽风机稳定运行。

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Leandro Erlich's "Stuck Elevator" (2011) is more complex: A freestanding box, about the size of an elevator shaft, it reveals, through an open door, the elevator's lifting mechanism and, through a gap at the bottom, the interior of the cabin, with a newspaper on the floor.

WSJ: Too Clever by Half | More Real? | Minneapolis Institute of Arts | By Peter Plagens