General Studies · Machining Processes
बोरिंग (Boring) किसकी एक विधि है?
- 1छेद ड्रिल करने की
- 2छेद को परिष्कृत (finishing) करने की
- 3छेद को बड़ा करने की✓
- 4छेद उत्पन्न करने की
सही उत्तर देखें
छेद को बड़ा करने की
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