dummy type contraction joint
... cross pin type joint 万向节头 cross-pin type joint 万向节头 dummy type contraction joint 半缝式缩缝; 假缝式收缩缝 ...
基于4个网页-相关网页
... cross pin type joint 万向节头 cross-pin type joint 万向节头 dummy type contraction joint 半缝式缩缝; 假缝式收缩缝 ...
基于2个网页-相关网页
dummy type contraction joint
虚拟式收缩接头
以上为机器翻译结果，长、整句建议使用 人工翻译 。