- top of hole diameter
- диаметр ствола скважины, начальный
Англо-русский словарь по ядерным испытаниям и горному делу. 2013.
Англо-русский словарь по ядерным испытаниям и горному делу. 2013.
Hole punch — A hole punch (known also as a hole puncher, paper puncher, holing pincer, or rarely perforator) is a common office tool that is used to create holes in sheets of paper, often for the purpose of collecting the sheets in a binder or folder. History … Wikipedia
Black hole — For other uses, see Black hole (disambiguation). Simulated view of a black hole (center) in front of the Large Magellanic Cloud. Note the gravitat … Wikipedia
Kilbourne Hole — is a maar volcanic crater, located convert|30|mi|km west of the Franklin mountains of El Paso, Texas, in the Potrillo Volcanic Field of Doña Ana County, New Mexico. The hole is a rare example of volcanic action without a mountainous rim. The… … Wikipedia
Through-hole technology — Through hole technology, also spelled thru hole , refers to the mounting scheme used for Pin through hole (PTH) electronic components that involves the use of pins on the components that are inserted into holes drilled in printed circuit boards… … Wikipedia
Drilling rig — For a detailed diagram of a Petroleum drilling rig, see List of components of oil drilling rigs. Drilling rig preparing rock blasting … Wikipedia
Tap and die — Not to be confused with Tool and die. Taps and dies are cutting tools used to create screw threads, which is called threading. A tap is used to cut the female portion of the mating pair (e.g., a nut). A die is used to cut the male portion of the… … Wikipedia
ICF Bogie — is a conventional railway bogie used on the majority of Indian Railway main line passenger coaches. The design of the bogie was developed by ICF (Integral Coach Factory), Perumbur, India in collaboration with the Swiss Car Elevator Manufacturing… … Wikipedia
Crokinole — Computer simulation of a crokinole board. Designer(s) Eckhardt Reiner Elton Wettlaufer Years active ca. 1876– Players 2 or 4 … Wikipedia
Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold … Wikipedia
Drill bit sizes — Drill bits are the cutting tools of drilling machines. They can be made in any size to order, but standards organizations have defined sets of sizes that are produced routinely by drill bit manufacturers and stocked by distributors. In the U.S.,… … Wikipedia
Orifice plate — Flat plate, sharp edge orifice ISO 5167 Orifice Plate An orifice plate is a device used for measuring the volumetric flow rate. It … Wikipedia