1·High heat efficiency.
热效率高。
2·To save energy raising heat efficiency of furnace is an important measure.
为了节约能源，提高加热炉的热效率是一项重要的措施。
3·Technical measures for increasing heat efficiency of heaters were introduced.
介绍为提高加热炉热效率所采取的技术措施。
4·In order to improve boiler heat efficiency, waste heat must be fully recovered.
为了提高锅炉热效率，必须充分回收烟气余热。
5·The heat efficiency of the furnace is one of the major concerns in refinery operation.
加热炉热效率是炼油厂关注的重要问题之一。
6·Heat recovery system with revolving air preheater can keep the heat efficiency above 86%.
采用回转式空气预热器的热回收系统，可以使加热炉热效率保持在86%以上。
7·Hot-pipe heat exchanger has high heat efficiency and a broad prospect for its application.
热管换热器换热效率高，具有广阔的推广应用前景。
8·Heater exchanger efficiency of air preheater was important influence of heat efficiency on the boiler.
空气预热器的热交换效率对整个锅炉的热效率影响很大。
9·To counter the problems above, the defining method of ideal cycle heat efficiency is improved firstly.
针对上述问题，文中首先对理想循环热效率的定义方法进行了改进。
10·It has several advantages of simple wellbore structure, convenient operation and high heat efficiency.
该工艺具有井筒结构简单、工方便、热效率高等优点。