英语词汇“sub-level”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	sub-level
释义	sub-level sʌbˈlevl BNC¹⁷³⁹⁹⁵⁺² 基本例句水平以下 In the recent years, mechanized sub-level caving for very thick coal seams has achieved important progress both in theory and in practice. 近年来，特厚煤层综合机械化放顶煤开采在理论研究和实践方面都取得了一些重要的进展。 cnki
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