longwall with caving怎么读

相关词汇的读音

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3. "longwall advancing"怎么读
4. "retreating longwall"怎么读
5. "longwall working"怎么读
6. "longwall face"怎么读
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10. "underhand longwall"怎么读
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12. "longwall undercutter"怎么读
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