填空题

依据“(),(),()”的原则,根据工程需要安装钻机超前钻探,探放水、探小窑、探放瓦斯等;根据地质需要,探煤质,探煤厚,探断层构造等。

正确答案

科学找疑;有疑必探;先探后掘

答案解析

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