A number of in situ Observation and modelling test show that main way of koof breaking movement is intact shear fall of all overburden stratum.是什么意思_A number of in situ Observation and modelling test show that main way of koof breaking movement is intact shear fall of all overburden stratum.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句