Electric air heaters emersion heaters , heater tubes after burners , flange heaters 电子空气加热器,复现加热器,燃烧,加热管,滚边加热器
2.
It is kfc with crisis management does a very good job in the aspects of preparation , curtailment , reaction and resilience that takes the emersion of the success for a mature enterprise during its crises management 肯德鸡的危机管理在预备力，缩减力，反应力和恢复力方面表现得都非常出色，再现了一家成熟企业在危机管理过程中的成功之处。
3.
The brief name ring , measures a device right high , inside , low and each segment scope for ability for even emersion of signal , pointing lowestly validity returning putting the frequency with tallestly validity returning put of the frequencying . request towards device rang contain both side , on is a scoping as far as possible breadth , can be namely frequency bottom that replay the is as far as possible low , and the upper limit is as far as possible high ; two is a frequency scope the inside is at all point to respond to as far as possible flat , avoided to appeared the big motion 简称频响，衡量一件器材对高中低各频段信号均匀再现的能力，指最低有效回放频率与最高有效回放频率之间的范围。对器材频响的要求有两方面，一是范围尽量宽，即能够重播的频率下限尽量低，上限尽量高二是频率范围内各点的响应尽量平坦，避免出现过大的波动。
4.
The frequency respond to : the brief name rings , and measure a device right high , the inside , frequency for ability for even emersion of signal , general enlarger of low and each segment respond to and should attain the the . ear that excluding the person is out of hearinged , but skin etc . the other sensory apparatus it can feel . for example thunder , the frequency of the thunder voice is low , person ear can hear few , but we can feel the fierce vehemence of that kind of manner , and can have to grow the center of chest however spirit felling that come . this make the perfect new of science spirit , summer that re - appear of orotund details the the dollar of superior quality adoption the for piece with careful electric circuit designing , frequency scope attaining the the , can like this satisfying broadcasting the true of this new and high of of or of ring the request 以外人的耳朵听不到了，但是皮肤等其它感觉器官能感觉到。例如打雷时，雷声的频率比较低，人耳所能听到的很少，但我们能感觉到那种来势凶猛的气势，会有种胸口透不过气来的感觉。本着使声音细节完美重现的科学精神，夏新采用优质的元器件和严谨的电路设计，频率范围达到，这样就能够满足播放或这类新型高保真音源的频响要求。
