self-elevating jack-up barge的意思|示意
美 / /
英 / /
自升式自升式驳船
self-elevating jack-up barge的网络常见释义
自升式钻井驳船 ... steering gear back lash 转向传动间隙 self-elevating jack-up barge 自升式钻井驳船 jack back 平衡杠杆 ...