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| 21. | double-end tungsten iodide lamp |
| 双头碘钨灯 |
|
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| | |
| 22. | double-end fired furnace |
| 两头烧火加热炉 |
|
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| 23. | double-end socket wrench |
| 双套筒扳手 |
|
|
| | |
| 24. | double-end set screw wrench |
| 双头紧定螺钉扳手 |
|
|
| | |
| 25. | double-end plug gauge |
| 双端塞规 |
|
|
| | |
| 26. | double-end spark plug wrench |
| 双头火花塞扳手 |
|
|
| | |
| 27. | double end tool post wrench |
| 双头刀架扳手 |
|
|
| | |
| 28. | double-end hexagon ring wrench |
| 双头六角扳手 |
|
|
| | |
| 29. | double-end hexagon straight wrench |
| 双头六角直口扳手 |
|
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| | |
| 30. | double end screws hanger bolt |
| 双头牙螺丝 |
|
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