各国船级社认为悬臂在船体上的舵托或挂舵臂应视为弹性支座，对舵杆进行直接计算。

The classification societies of the world hold that the shoe piece or the horn should be taken as an elastic fulcrum of the rudder stock in the stock calculation.

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船用齿轮传动装置，包括主推进器、离心机、甲板机械如绞盘、起锚机、起重机、旋转装置、泵、升降机及舵托等。

Marine gear transmission device, including the main thruster, centrifuge, deck machinery such as winch, sailed machine, crane, rotating device, pump, elevators and rudder ", etc."

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