|
|
|
|
|
|
|
|
|
Churn drill.
| Глоссарий по архитектуре и конструкциям |
|
Spudding drill, английский
|
Churn, английский
Churn drill, английский
- A drill whose cutting action is achieved by raising and dropping a chisel bit.
- Churn drilling. portable drilling equipment, usually mounted on four wheels and driven by steam-, diesel-, electric-, or gasoline-powered engines or motors. the drilling is performed by a heavy string of tools tipped with a blunt-edge chisel bit suspended from a flexible manila or steel cable, to which a reciprocating motion is imparted by its suspension from an oscillating beam or sheave, causing the bit to be raised and dropped, thus striking successive blows by means of which the rock is chipped and pulverized and the borehole deepened; also, the act or process of drilling a hole with a churn drill. extensively used by the diamond-drilling industry to drive pipe vertically through difficult and deep overburden or fractured barren ground before coring operations with a diamond drill. also called american-system drill, blast-hole drill, cable drill, cable-system drill, cable-tool drill, rope-system drill, shothole drill, spudder, spud drill, well drill.
Churn driller, английский
A person experienced in the use and operation of a churn drill and equipment. also called cable-tool driller.
Churn drilling, английский
Churn drilling, percussion drilling, boring with line, английский
Churn molding, английский
Churn rate, английский
- It is most commonly expressed as the percentage of service subscribers who discontinue their subscriptions
- Churn rate is a metric used to determine the number of customers or clients that discontinue service or stop doing business with a company.
Churn shot drill, английский
Churn-drill operator, английский
Churn-drill outfit, английский
Churn-drill rig, английский
A churn-drill machine, complete with accessory tools and equipment required for specific drilling operations.
Churning, английский
- Злоупотребление брокера счетом клиента (от to churn
- Excessive trading of a client`s account in order to increase the broker`s commissions.
- Рефинансирование с целью получения дополнительных
|
Cillery, английский
Spudding drill, английский
|
|
|
|
|
|
|
