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windix

重力驱动的锄头

这个设备可能就是现在油田的采油机的原型

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Uploaded on September 15, 2006
Taken on September 15, 2006

重力驱动的锄头

这个设备可能就是现在油田的采油机的原型

103 views
0 faves
0 comments
Uploaded on September 15, 2006
Taken on September 15, 2006
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