This auxiliaryinstallation provides greatest maintenance serviceability and better regulation for installations where extreme low demand periods are frequent.
这种辅助性安装能够提供最好的维护维修性，以及更好的调节功能，更适合经常出现超低需求的安装位置。
2
Balance-of-system costs Cost of auxiliary hardware and installation of electrical systems.
系统配套费用电力系统辅助设备和安装的费用。
3
Including: 1, Before installation: 2 the open-package inspection and acceptance of the equipment, the inspection and calibration equipment foundation, 3 the main equipment and auxiliary equipment 4.