This auxiliary installation 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。
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。
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.
包括：1、安装前的准备；2、设备的开箱检查和验收，各设备基础的检查和校正；3、各主要设备和辅助设备的就位；4、锅炉烟道系统的制作及安装。
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