英语词汇“harmless-depth theory”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	harmless-depth theory
释义	harmless-depth theory harmless-depth theory [′härm·ləs ¦depth ‚thē·ə·rē] (mining engineering) Formerly, the hypothesis that there was a certain depth below which mining could be carried on without risk of damage to the surface.
随便看	iagno iagnob iago iagod iagodin, gennadii iagodin, gennadii alekseevich iagodnoe iagophthalmia iagos iagosc iagotin iagp iagpds iagr iagre i agree with this agreeing comment i agree with this post iags iagsa iagsdc iagsdcb iagt iagto iagtp iagunovskii

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