|
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| 21. | air tight joint |
| 气密接头 |
|
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| | |
| 22. | lengthening joint |
| 加长接头 |
|
|
| | |
| 23. | universal joint |
| 万向接头 |
|
|
| | |
| 24. | knock-off joint |
| 杆接头 |
|
|
| | |
| 25. | bridge rail joint |
| 桥式钢轨接头|活动桥钢轨接头 |
|
|
| | |
| 26. | grass hopper joint |
| 滑动接头 |
|
|
| | |
| 27. | inner casing of joint |
| (万向接头的) 内活动接头 |
|
|
| | |
| 28. | slim hole joint |
| 小眼接头 |
|
|
| | |
| 29. | upset end joint |
| 加厚接头 |
|
|
| | |
| 30. | solvent cement joint |
| 胶结接头 |
|
|
| | |