1. Is there any malfunction of the device?
2. I remember that you have conducted inspections during the operation, why haven't you identified the defect of this batch?
第二句态度比较强硬,如果需要可以帮你修改。
Is this machine abnormal? 或 Does this machine have any problem?
I remembered that there is an inspection in the operation process,so why did not check out this batch of bad?
1 Is there any problems with this equipment?
2 I remember that you've done some test while useing it.Why you didn't check the problem out?
what's wrong happened to this device ,,equipment?