expa ion and contraction joint的意思|示意

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伸缩关节


expa ion and contraction joint的网络常见释义

伸缩缝 contraction joint,contraction joint 收缩缝 ; 收缩节理 expa ion and contraction joint 伸缩缝 submerged-type contraction joint 暗收缩缝 ..