| 1. | There's a crack on the underneath of the bowl .
碗底下有一条裂痕。 |
| 2. | The engine cracked on the first test flight .
在首次试飞时，发动机发生裂纹。 |
| 3. | The rain-water dripped through a crack on the ceiling .
雨水从天花板的裂缝中漏下来。 |
| 4. | When he inspects he brings a needle, probes the cracks on the stairs for dust .
检查时他总要随身带上一根针，剔剔扶梯缝里的灰尘。 |
| 5. | The oil is injected into the bed of fluidized coalite and cracks on contact with hot solid .
该油注于流化焦粉床层中，与热固体接触而裂解。 |
| 6. | We were delighted when we came across a shapely specimen tucked away in a crack on the underside of a rock .
当我们遇到一个美丽的标本隐藏在岩石下面的缝隙里的时候，我们高兴极了。 |
| 7. | Welding repair of crack on supporting roller of rotary kiln
回转窑托轮开裂的焊接修复 |
| 8. | Come on , you two , let ' s crack on , shall we
你们两个，一起来吧，一起划下去 |
| 9. | Crack on products during mold opening and ejection
开模或顶出时成品破裂 |
| 10. | Analysis of cracks on concrete structure and its treatment
混凝土结构裂缝分析及处理技术 |
