outer case
| inner diameter
| outer case | |
| gen. | 外蒙皮; 外套 |
| auto. | 外壳 |
| seal. | 外箱 |
| inner diameter | |
| auto. | 内径 |
| earth.sc. | 内直径 |
| plast. | 内径 |
| |||
| 外蒙皮; 外套〔罩，壳〕 | |||
| 外壳蒙皮，罩 | |||
| 外箱 | |||
| 涂层; 外壳 | |||
|
outer case : 9 phrases in 5 subjects |
| Agriculture | 1 |
| Automobiles | 1 |
| Aviation | 2 |
| Rail transport | 1 |
| Sealing | 4 |