展现

While this device does not have practical application, but it is the first use of condensing steam piston and do work to promote the device.

虽然这种设备没有得到实际应用，但却是第一台利用冷凝蒸汽推动活塞和做功的设备。

Well-armed sovereign states can do whatever they want.

武装精良的主权国家方可为所欲为。