rock drilling in Vietnamese
@Chuyên ngành kỹ thuật
-sự khoan đá
@Lĩnh vực: hóa học & vật liệu
-khoan đá
Sentence patterns related to "rock drilling"
1. 14 Features: rock drilling for opencast mining and quarrying field.
2. Is the East Coast's premier rock drilling, Blasting, and crushing company
3. The invention also concerns a method a flushing housing and a rock drilling machine.
4. Machines and drill arms for use in shifting, advancing and positioning rock drilling machines and rock drills
5. However, the test results showed that the water jet played a Counteractive role in improving drilling speed for NSB because much energy was consumed with the water jet assisted rock drilling, which resulted in part of water being drained out of the hole and caused water to reduce in the hole bottom.