After that,begin to construct thermal insulation and protection layer.Then repeat last step(4) to check electric heating system and switch on for 24hours.
After that,begin to construct thermal insulation and protection layer.Then repeat last step(4) to check electric heating system and switch on for 24hours.
试送电运行正常后，可进行保温层和防护层的施工。施工完后，电伴热系统重复本节第(4)条的检查，并连续通电24小时。