“leading heading”的概念、定义、翻译、参考文献-科学参考

单词	leading heading
释义	leading heading [`lēd·iŋ `hed·iŋ] ^{MINING ENGINEERING} 1. The heading of a pair of parallel headings that is a short distance in front of the other; used to drain a mining area. 2. A heading dug into the solid coal before the advance of the general face.
随便看	complex velocity complex wave compliance compliance constant compliant character complicate compo board compole component component bar chart component distillation component-failure-impact analysis component name component-substances law component symbol component vectors composing rule composing stick Compositae composite composite balance composite beam composite cable composite circuit composite color signal

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