The test-bed device, with a gas-hearing component as its major element, employs the working principles of lubricant theory and gas movement equations in order to measure the tiny friction.

• 该试验台利用气体作为润滑剂，运用有关润滑原理和气体运动方程分析其工作原理和重要部件气体静压支承装置的设计计算方法。