采油井架钢结构是钻采石油时所必需的支架结构，对油田生产起着重要作用。

An oil derrick is a necessary supporting frame, and plays an important role in oil production.

youdao

采油井架钢结构是钻采石油时所必需的支架结构，对油田生产起着重要作用。

An oil derrick is a necessary supporting frame, and plays an important role in oil production.

youdao