undersea mining的意思
海底采煤
undersea mining的短语
1、 undersea mining technology 海底采矿技术
2、 undersea mining ship 水下采矿船
3、 undersea a mining 海底开采
undersea mining的例句
The technology of undersea mining was then undeveloped.
那时候深海采矿技术还不成熟.
辞典例句
海底采煤
1、 undersea mining technology 海底采矿技术
2、 undersea mining ship 水下采矿船
3、 undersea a mining 海底开采
The technology of undersea mining was then undeveloped.
那时候深海采矿技术还不成熟.
辞典例句