|
|
| 51. | commutator frequency changer |
| 换向器变频机整流子频率变换器 |
|
|
| | |
| 52. | automatic record changer |
| 自动换片电唱机 |
|
|
| | |
| 53. | automatic sample changer |
| 自动样品更换器 |
|
|
| | |
| 54. | harmonic speed changer |
| 谐波减速装置 |
|
|
| | |
| 55. | mercury frequency changer |
| 水银频率变换器|水银变频器 |
|
|
| | |
| 56. | automatic head changer |
| 自动更换轴箱装置 |
|
|
| | |
| 57. | auto-changer n. |
| 自动连续演奏装置 |
|
|
| | |
| 58. | A record changer. |
| （电唱机的）自动换片装置 |
|
|
| | |
| 59. | automatic cop changer |
| 自动换纡器 |
|
|
| | |
| 60. | concatenated frequency changer |
| 级联变频器 |
|
|
| | |