他边听边点头,还吸着一支粗短的烟斗。He nodded and puffed on a stubby pipe as he listened.它粗短的尾巴上鬃毛浓密。It has a short stumpy tail covered with bristles.他伸出一根粗短的手指指向他对面的一把木椅。He pointed a stubby finger at a wooden chair opposite him....
The degree of carbonization of coal depends on the temperature.煤层的炭化程度取决于温度.It was discussed that the technique of carbonization using limekiln gas and water glass.探讨了利用工业废弃物石灰窑气和水玻璃,采用碳化法制备白炭黑的工艺过程.Pyrolysis section: bu...