烧嘴的雾化效果与烧嘴的装备尺寸；（）；（）；氧压大小有关。
参考答案：煤浆粒度及粘度；中心枪占入炉总氧比例
世界上最大的经济体是世界贸易组织。
错误：_________
改正：_________
The mother is told that her child is desperately ill—the chances of survival are slim, and the treatment is as dreadful as the disease.()
A. incurable
B. fearful
C. impossible
D. troublesome
