Coal and rock are a rheid medium.A great of expriment and research showed that when coal and rock are loaded, they will have electric magnetic radiation. 摘要煤巖是一種流變介質(zhì)，大量的實(shí)驗研究表明煤巖受載能夠產(chǎn)生電磁輻射。
force-bearing of surrounding rock mass的相關(guān)資料：
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