Therefore, the investigation and discussion on power shovel main malfunction cause, diagnose method, maintainance operation is of great significance to improving power shovel efficiency.
因此，探讨电铲常见故障原因、诊断方法、维护操作对提高电铲作业效率有着极为重要的意义。
Conclusions the correct diagnosing rate of frozen section in thyroid operation may be raised by increasing the section quality and improving the method.
结论提高切片质量，掌握正确的取材方法，提高对甲状腺良恶性肿瘤的识别和鉴别能力，可提高甲状腺手术中冰冻切片诊断的准确率。
On-line monitoring of the leakage current in high voltage (HV) oil minimum breakers is an important method for improving the secure operation level in power system.
在线监测高压少油开关泄漏电流是提高电网安全运行水平的重要措施。
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