短語詞組短語coal rock and gas outburst 煤與瓦斯突出coal and gas outburst prediction 煤與瓦斯突出預(yù)測coal and gas pressure outburst 煤與瓦斯壓力突出coal and gas outburst accidents 煤與瓦斯突出事故preventing coal and gas outburst 防止煤與瓦斯突出coal and gas outburst index 煤與瓦斯突出指標(biāo)coal and gas outburst indexes 煤與瓦斯突出指標(biāo)coal and gas outburst scale 煤與瓦斯突出強(qiáng)度 返回 coal and gas outburst