| English | eng-000 |
| direct operation | |
| 普通话 | cmn-000 | 直接传动 |
| English | eng-000 | coupling drive |
| English | eng-000 | direct drive |
| English | eng-000 | direct transmission |
| English | eng-000 | direct-connected |
| English | eng-000 | direct-drive gear |
| English | eng-000 | first-motion drive |
| English | eng-000 | integral drive |
| English | eng-000 | positive gearing |
| English | eng-000 | straight drive |
| English | eng-000 | straight-through drive |
| English | eng-000 | through-drive |