粘着磨损
参考答案:
摩擦副相对运动时,由于固相焊合作用的结果,造成金属耗损的现象
Bill wasn't happy about the delay of the report by Jason, and________.[ ]
A. I was neither
B. neither was I
C. I was either
D. either was I
2000年的盈亏临界点销售量是( )件。
A.5000
B.6500
C.11500
D.10000.