| • large diameter drilling | |
| दीर्घ: dolcho dolicho dolicho- elliptic spring | |
| व्यास: diameter dia | |
| प्रवेधन: boring boring head drill drilling | |
दीर्घ व्यास प्रवेधन in English
[ dirgha vyas pravedhan ] sound:
| • large diameter drilling | |
| दीर्घ: dolcho dolicho dolicho- elliptic spring | |
| व्यास: diameter dia | |
| प्रवेधन: boring boring head drill drilling | |
