|
|
| 21. | hollow plunger pump |
| 空心柱塞泵 |
|
|
| | |
| 22. | air core inductance |
| 空心电感 |
|
|
| | |
| 23. | hollow bit tongs |
| 空心钳 |
|
|
| | |
| 24. | hollow stay bolt |
| 空心螺栓 |
|
|
| | |
| 25. | hollow boby cop |
| 空心管纱 |
|
|
| | |
| 26. | hollow glass fibre |
| 空心玻璃纤维 |
|
|
| | |
| 27. | hollow core board |
| 空心细木工板 |
|
|
| | |
| 28. | hollow spherulite |
| 空心球粒 |
|
|
| | |
| 29. | hollow cylinder |
| 空心圆柱体 |
|
|
| | |
| 30. | hollow wire rope |
| 空心钢丝绳 |
|
|
| | |