为防止丛式钻井碰撞事故的发生，设计了丛式钻井防碰预警系统。

For avoiding hit accident of group drilling, the group drilling defend touch yellow alert system was designed.

youdao

为防止丛式钻井碰撞事故的发生，设计了丛式钻井防碰预警系统。

For avoiding hit accident of group drilling, the group drilling defend touch yellow alert system was designed.

youdao