... 过渡性掏槽transient cut 风镐采煤pick coal mining 急倾斜采煤法sharp inclined coal cutting method ...
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pick coal mining
采煤
以上为机器翻译结果，长、整句建议使用 人工翻译 。
As for the Mining Boom III, the pick up in export volumes flowing from the surge in mining investment in iron ore, coal and liquid natural gas will start to get underway around 2014-15.
BBC: Viewpoint: Is Australia's resources boom over?
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