Water and gas are delivered, and sewage removed, via vertical steel pipes in the non-rotating base.

自来水和天然气的传递，污水的排放，都是通过一个在非。

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It has a jumping hour display powered by a Unitas 6497 movement. It has a rotating disc which is at the base of a minute hand.

在Unitas 6497的运转下，这跨表还具备了跳时功能，并且在分针底端还备有一个旋转地圆盘。

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Said base, said lever and said pressing part can be assembled together actively through springs, so said lever can be assembled on the base rotating around the pivotal axis supporting said springs.

所述基部、所述压紧部和所述杠杆借助于弹簧可活动地组装在一起，使得所述杠杆可绕着支撑所述弹簧的枢转轴可转动地装配在基部上。

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It derives its name from the two rotating systems that are the basis of the design: the main engine at its base, which will put it into orbit, and the rotor on top, which will enable it to touch down gently.

ECONOMIST: On a rotor-blade and a prayer | The