短語詞組短語lifting cord rig 起重設備upper internals lifting rig 上部堆內構件提升機具engine lifting rig 發(fā)電機起吊設備vessel head lifting rig 壓力容器封頭吊具internals lifting rig 堆內構件起吊裝置upper core structure lifting rig 堆芯上部構件提升設備 返回 lifting rig