The jacket, topside and yoke assembly were separately lifted and installed by using a derrick barge.

导管架、上部结构和软刚臂分别是用浮吊吊装的。

The jacket , topside and yoke assembly were separately lifted and installed by using a derrick barge.

导管架、上部结构和软刚臂分别是用浮吊吊装的.