| 1. | There are chemical fuels that are clean and smokeless .
有些化学燃料是清洁无烟的。 |
| 2. | Every powder produces erosion or bore wear to some extent .
每一种无烟药都会有某种程度的烧蚀或炮膛磨损。 |
| 3. | Neither of the above substances gives smokeless powders an intense coloration .
上述各物质，没有一个能使无烟药强烈着色。 |
| 4. | An effective system uses fuel that ignites easily, burns as smokelessly as possible .
有效的加热系统所用的燃料必须易于引火，燃烧时尽可能无烟。 |
| 5. | Many smokeless, odorless incinerators for disposal of animal carcasses are available commercially .
市场上有许多种处理尸体的无烟、无臭的焚尸炉出售。 |
| 6. | The burning surface of the powder then increases, the pressure rises and the rocket may be blown up .
此时，无烟药燃烧表面增加，压力上升，火箭可能爆炸。 |
| 7. | Smokeless powder refers to colloided nitrocellulose either alone or in admixture with nitroglycerin or other material .
无烟药是指单独的胶质硝化棉或与硝化甘油和其它物质形成的混合物。 |
| 8. | The nonsmoking section ' s over there . - i meant the book
无烟区在那边-我说看书 |
| 9. | - the nonsmoking section ' s over there . - i meant the book
-无烟区在那边-我说看书 |
| 10. | Vertical coal gasification - vortex combustion smokeless boiler
旋涡燃烧无烟锅炉 |
