semi-anthracite coal的意思|示意
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英 / /
贫煤，半无烟煤
semi-anthracite coal的网络常见释义
贫煤 ... semi-anthracite 半无烟煤 semi-anthracite coal 贫煤，半无烟煤 semiautomatic 半自动的 ...
半无烟煤 半无烟煤 carbonaceous coal; semi anthracite; semi-anthracite coal; semianthracite ..