This is probably where the tragedy begins. Without sincere friendships, how Bruno is brave to cross the fence. Cruel furnace burns up his life, soul flying to the heaven.
或许这也正是悲剧所在，如果没有真诚的友谊，布鲁诺又怎会翻过禁忌之栏，不幸地置身熔炉中，魂归九天。
2
The accurate control of the work pieces temperature in vacuum annealing furnace is a typical nonlinear large time delay and cross coupling complicated problem.
而在真空退火的生产过程中，退火工件温度的精确控制是一个典型的非线性、大时滞、强耦合的复杂控制问题。
3
This paper introduces the application and method of implementing of Digitronik SDC40B in double cross limit combustion control mode of heat treating furnace.