The rear of patella is resurfaced and new plasticcomponent is attached with bone cement.
髌骨后部关节面重新处理，用骨水泥将新的塑料假体附着。
2
Under the condition of equilibrium crack the plasticcomponent of the displacement can be regarded as a function of load and crack length.
在平衡裂纹条件下，将塑性部分表达为该载荷与裂纹长度的函数。
3
The motor burns out quickly (or I should say that the plasticcomponent in the motor melts) as the power demand of the tail rotor is much larger than that I expected.