磨损按磨损的破坏机理分为粘着磨损、磨料磨损、表面疲劳磨损、腐蚀磨损。
参考答案：对
位于第七胸椎棘突下的腧穴是
A．命门B．至阳C．大椎D．哑门E．腰阳关
Among the following writers ________ is generally regarded as the forerunner of the 20th -century “stream - of - consciousness” novels and the founder of psychological realism.
A． T. S. Eliot
B．James Joyce
C．William Faulkner
D．Henry James
