Computer · Tunnel Engineering
सुरंग के अंतिम आवश्यक आकार और सुचारू रूपरेखा (smooth profile) को प्राप्त करने के लिए निम्नलिखित में से किस ब्लास्टिंग होल का उपयोग किया जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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