Based on large-scale chamber blasting projecd practice, some practical experience on application of multi-row strip-shaped charges on complex topographical and geological…
为多排单向抛掷群条药包在复杂地形、地质条件下的应用积累了一定的实践经验。
Based on large-scale chamber blasting projecd practice, some practical experience on application of multi-row strip-shaped charges on complex topographical and geological…
为多排单向抛掷群条药包在复杂地形、地质条件下的应用积累了一定的实践经验。
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