| 普通话 | cmn-000 |
| 备用机组 | |
| English | eng-000 | emergency set |
| English | eng-000 | reserve set |
| English | eng-000 | spare set |
| English | eng-000 | spare tiller |
| English | eng-000 | spare unit |
| English | eng-000 | stand-by plant |
| English | eng-000 | stand-by set |
| English | eng-000 | stand-by unit |
| English | eng-000 | standby unit |