| 1. | He pushed himself up a little in the bed .
他在床上稍稍撑起身来。 |
| 2. | Particles wander everywhere in the bed .
颗粒在床层中到处游动。 |
| 3. | They carry captured gas with them in the bed .
它们就带着吸附的气体在床内运动。 |
| 4. | There may be a deep cliff in the bed of a stream .
在一条河床上可能有一个陡峭的悬崖。 |
| 5. | In the bed albert wells gasped greedily at the new air .
躺在床上的艾伯特韦尔斯贪婪地吸着新鲜空气。 |
| 6. | Large static charges may build up in the bed causing spark discharges .
大量静电荷可能在床内积聚而引起火花放电。 |
| 7. | The rising bubbles will induce a distinct circulation of solid in the bed .
上升气泡引起床层中一种明显的固体循环。 |
| 8. | Particles of the same size also have different lengths of stay in the bed .
同一粒度的颗粒在床层中的停留时间也不同。 |
| 9. | The bubble size is a significant quantity which determines the conditions in the bed .
气泡尺寸是决定床内情况的一个关键因数。 |
| 10. | For satisfactory fluidization under these conditions an agitator is used in the bed .
在这些情况下，为了得到满意的流态化，在流化床中加有搅拌器。 |
