空内冷发电机转子不等壁厚矩形含银铜导线技术条件
Technical specifications for rectangular silver copper wires with unequal wall thickness of air cooled generator rotor
2018-02-09
BS EN 14037-1-2016
Free hanging heating and cooling surfaces for water with a temperature below 120°C-Pre-fabricated ceiling mounted radiant panels for space heating. Technical specifications and requirements
温度低于120℃的水的自由悬挂加热和冷却表面