“headblock”的概念、定义、翻译、参考文献-科学参考

单词	headblock
释义	headblock [`hed´bläk] ^{MINING ENGINEERING} 1. A stop at the head of a slope or shaft to keep cars from going down the shaft or slope. 2. A cap piece.
随便看	solvmanifold solvolysis solvus soma Somali Current Somasteroidea somatic aneuploidy somatic cell somatic copulation somatic crossing-over somatic death somatic embryogenesis somatic mesoderm somatic nervous system somatic pairing somatic reflex system somatization somatoblast somatochrome somatoclonal variation somatocyst somatogamy somatometry somatophyte somatopleure

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