对修理后的直流电机进行空载试验,其目的在于检查各机械运转部分是否正常,有无()现象。
参考答案:过热、声音、振动
The nurse would plan to use an abduction pillow (or splint) after a total hip replacement. What is the purpose for this activity
A. To prevent hip flexion.B. To prevent dislocation of the prosthesis.C. To increase peripheral circulation.D. To decrease formation of sacral pressure ulcers.
推钢式加热炉易造成下表面滑道划伤。