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| 41. | superheater return bend |
| 过热管弯头 |
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| 42. | cross-over bend |
| 横跨弯头 |
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| 43. | double carrick bend |
| 双花大绳接结 |
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| 44. | beyond one's bend |
| [美]力所不及，所办不了的 |
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| 45. | double-bend valve |
| 双弯式气门嘴 |
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| 46. | beam bend press |
| 压梁机 |
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| 47. | elbow bend pipe |
| 弯头|弯管 |
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| 48. | bend wall dethickness |
| 弯管管壁减薄率 |
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| 49. | expansion U-bend |
| 膨胀U形弯管 |
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| 50. | wellhead bend system |
| 井口装置弯曲系统 |
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