vacuum displacement pump coupling 容积式真空泵联轴器
rotary-displacement pump coupling 回转式容积泵联轴器
The element coupling shape function matrices are derived by means of geometrically nonlinear strain displacement relation under small deformation assumption.
利用几何非线性的应变-位移关系式，在小变形假设条件下确定了单元耦合形函数。
The element coupling shape function meatrices are derived by means of geometrically nonlinear strain displacement relation un-der small deformation assumption.
利用几何非线性的应变-位移关系式，在小变形假设条件下确定单元耦合形函数。
The SWPE is found to reveal a coupling between seepage energy, equilibrium state and vertical displacement of soils.
引入土水势方程，揭示了渗流能量与土体平衡状态和竖向位移之间的耦合关系。 提出T。
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