trackless mining वाक्य
"trackless mining" हिंदी में trackless mining in a sentenceउदाहरण वाक्य
- Consumer electronics, on the other hand, can be a trackless mine field.
- He had pioneered new concepts in hydraulics, modern control and power circuits, trackless mining equipment, efficient gearing and seal designs as well as dozens of other " firsts " in the industry.