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| 41. | flush-through connection |
| 冲洗接头 |
|
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| | |
| 42. | adjustable fitting |
| 铰接接头 |
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| | |
| 43. | blast connection |
| 风管接头 |
|
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| | |
| 44. | rudder coupling |
| 舵杆接头 |
|
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| | |
| 45. | block connection |
| 滑车接头 |
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| | |
| 46. | fueling connection |
| 加油接头 |
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| | |
| 47. | capillary joint |
| 毛细接头 |
|
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| | |
| 48. | external terminal |
| 外部接头 |
|
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| | |
| 49. | male connection |
| 外螺纹接头 |
|
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| | |
| 50. | reverse circulation sub |
| 反循环接头 |
|
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| | |