正火与()两者的目的基本相同,只是正火的冷却速度稍微快一点。
A、中温回火
B、退火
C、淬火
D、高温回火
参考答案:B
验收时,2M误码性能(24小时,50公里用户数字段)的指标是小于等于()个误码。
A.3
B.4
C.5
D.6
Now that we()all the money, it's no use turning on me and saying it's all my fault.
A. had lost
B. lost
C. have lost
D. lose