perforación de roca de 2 pulgadas
...
2025-08-15 00:57
582
1.Downhole drilling machine: When drilling a downhole gun hole with a aperture less than 150 mm, in addition to the application of a rock drill, it can also be used to drill a small diameter of 80 ~ 150 mm. When drilling a gun hole with a diameter of less than 70 mm in coal or softer mineral rock, it is generally used to drill or air drill, driven by a motor (or air motor) to drill the drill pipe, and the rock (coal) chips drilled out are discharged through the spiral groove on the drill pipe.
...
2025-08-15 00:52
508
\[
...
2025-08-15 00:49
1375
The Importance of Rubber-Lined Pumps in Industrial Applications
...
2025-08-14 23:54
61
2. Automotive The automotive industry relies on spiral drill bits for precision drilling in engine components and bodywork. The rigorous requirements of this field necessitate tools that can deliver accuracy and durability.
...
2025-08-14 23:46
1314
...
2025-08-14 23:40
309
Conclusion
...
2025-08-14 23:37
1525
Understanding Jaw Plate Crushers An Essential Component in Mining and Construction
...
2025-08-14 22:53
1010
Key Players in the Market
...
2025-08-14 22:47
2885
ضواغط الهواء المحمولة اللولبية هي آلات تقوم بضغط الهواء باستخدام آليات لولبية. تتميز هذه الضواغط بقدرتها على توليد كميات كبيرة من الهواء المضغوط بكفاءة عالية، مما يجعلها خيارًا مثاليًا للاستخدام في المواقع التي تحتاج إلى هواء مضغوط بشكل منتظم.
...
2025-08-14 22:27
1045