| 1. | The second paragraph can be omitted .
第二段可以省略。 |
| 2. | The secondary filtration system is identical with the primary one .
二段过滤系统与一段过滤系统类似。 |
| 3. | Many designers and operators require such paint on their secondary reformer shells .
有些设计者和操作者需要在二段转化炉外壳涂以此种油漆。 |
| 4. | The filter cake from the primary filtration is slurried with weak liquor from the secondary filters .
一段过滤得到的滤饼与二段过滤得来的稀溶液混合而成为料浆。 |
| 5. | The filter cake from the primary filtration is slurried with weak liquor from the secondary filters .
一段过滤得到的滤饼与从二段过滤机来的稀溶液混合成为料浆。 |
| 6. | Another problem can occur rarely if backflow of process gas is permitted into the secondary air feed line .
如果工艺气体回流入二段空气管线，能发生另外的很少发生的问题。 |
| 7. | Occasionally enriched air or supple mental oxygen is available and a greater ratio of secondary reforming to primary reforming is possible .
偶尔有富氧空气或补充氧的，因而二段转化对一段转化的大比例是可能的。 |
| 8. | No . 298 second section , renming north road , chengdu city
成都市人民北路二段298号 |
| 9. | The heat - preserve of natural gas for secondary reforming
天然气二段转化热保护剂 |
| 10. | Full - color numberal tube full - color numberal tube sixteen sections
十二段全彩数码管 |
