【摘要】 论述了爆炸性气体环境中使用的增安型电阻加热元件和电阻加热器的结构、型式、试验要求及设计制造中应注意的问题更多还原

【Abstract】 This paper describes the constructions,and types of and the testing requirements on the increased safety resitance heating element and resistance heater for explosive gas atmosphere,and the problems to be noted during design and production.更多还原