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Terms for subject Drilling containing heavy duty | all forms | exact matches only | in specified order only
| English | Chinese |
| heavy duty | 大型的 |
| heavy duty engine | 大功率发动机 |
| heavy duty engine | 重型发动机 |
| heavy duty mill | 重型铳鞋 |
| heavy duty pipe racks | 重型管架 |
| heavy duty sheave guard | 重型滑轮护罩 |