| 1. | A iron bar is solid , a pipe is hollow . 铁条是实心的,管子是空心的。 |
| 2. | It will be massive or hollow . 它可以是实心的,也可以是空心的。 |
| 3. | The fangs of pit vipers are long, hollow tubes . 颊窝毒蛇的毒牙是长的空心管子。 |
| 4. | The open rectangles represent typical elements of the ion fluid . 空心的矩形表示典型的离子流体元。 |
| 5. | Between the columns were light, hollow panel walls of double brick . 柱间是两砖厚的轻质空心节间墙。 |
| 6. | The only shelter he could find was the hollow trunk of a great tree . 他所能找到的唯一的栖身之处是空心的大树树干。 |
| 7. | To take samples that retain the larger structure of the sediment, a core sampler is used . 为了保持样品沉积物的层次结构,就要用空心铁管采样器。 |
| 8. | The stressmeter consists of a short solid or thick hollow cylinder of birefringent material . 应力计由双折射材料制成的实心短圆柱体或厚壁空心短圆柱体构成。 |
| 9. | Driving power for the cutting tool comes from the rotation of the spindle, which is a hollow shaft that rotates in bearings . 刀具的驱动力来自主轴的旋转,主轴则是一根在轴承中旋转的空心轴。 |
| 10. | Various cases for a hollow cylinder can be treated in exactly the same manner but with a little involved algebra . 关于空心柱体的各种情况,可以用完全相同的方式加以处理,不过代数计算上稍为麻烦一些而已。 |