年利用小时数 meaning in Chinese

utilization hours in a year

In china , there are some common problems concerned with small hydropower projects , such as insufficient annual utilization of electronic power , a great loss of power in the process of transmission , poor apparatus , low level of automation , low prices of electronic power , and outdated technology and installation
我国小水电项目的常见问题有：年利用小时数偏低、输配电电损较大、生产设备质量较差、自动化水平低、电价过低、技术和设备落后、管理水平低等。