A : we put the waste in tanks and put those tanks onto the progress vehicle and release the progress vehicle . it burns up on the earth ' s atmosphere as progress falls 答：我们把垃圾放在罐子里，再把这些罐子放在进步号货运飞船上，让飞船释放到太空中。当它落到地球大气层上时，它会自动燃烧。
Abstract : the air / fuel ratio control scheme in common use of boiler auto - burning system is introduced summary . two kinds of scheme improved to obtain the best air / fuel ratio and to raise dynamic characteristic are analyzed in particular . further how to correct measures on air / fuel ratio when changing boiler load and fuel composition is proposed and analyzed 文摘:对锅炉自动燃烧系统中空气/燃料比控制的常用方案进行了简要介绍，着重分析了两种为获取最佳空气/燃料比和提高控制系统动态特性而采取的改进方案，并针对锅炉负荷变化和燃料特性改变对燃烧状况的影响，进一步对空气/燃料比的修正措施进行了分析与探讨，提出了综合修正方案。
