| 1. | The complicated nature of the farmer's job gave him unrivaled training in invention and practical skill with tools and machines .
农夫那份工作的繁复，给了他在发明和实际使用器具与机械方面无比的训练。 |
| 2. | They invent tools and machines to help them in their work
他们发明机器来帮助自己工作。 |
| 3. | Compressors , pneumatic tools and machines . general vocabulary
压缩机,气压工具和机械.常用词汇 |
| 4. | Pneumatic tools and machines - vocabulary
风动工具和机器.词汇 |
| 5. | Pipeworks . screwed connections for pneumatic tools and machines
管道.气动工具和机械的螺纹连接管 |
| 6. | Pneumatic tools and machines - vocabulary
气动工具和机械.词汇 |
| 7. | Compressors , pneumatic tools and machines . vocabulary of compressors
压缩机.工具和气压机械.压缩机词汇 |
| 8. | Glossary of terms for compressors , pneumatic tools and machines - general
压缩机气动工具和气动机械术语.第1部分:总则 |
| 9. | Glossary of terms for compressors , pneumatic tools and machines - compressors
压缩机气动工具和气动机械术语.第2部分:压缩机 |
| 10. | Compressors , pneumatic tools and machines . vocabulary . pneumatic tools and machines
压缩机风动工具和机械.词汇.风动工具和机械 |
