英语词汇“staggered blastholes”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	staggered blastholes
释义	staggered blastholes staggered blastholes [′stag·ərd ′blast‚hōlz] (mining engineering) Two rows of holes staggered to a triangular pattern to distribute the burden when shot-firing in thick coal seams.
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