- offset cone-angle rolling cutter drilling bit
- шарошечное буровое долото со смещёнными осями шарошек* * *шарошечное буровое долото со смещенными осями шарошек
Англо-русский словарь нефтегазовой промышленности. 2011.
offset cone-angle rolling cutter drilling bit
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Lathe (metal) — Center lathe with DRO and chuck guard. Size is 460 mm swing x 1000 mm between centers A metal lathe or metalworking lathe is a large class of lathes designed for precisely machining relatively hard materials. They were originally designed to… … Wikipedia
Threading (manufacturing) — Threading is the process of creating a screw thread. More screw threads are produced each year than any other machine element.[1] There are many methods of generating threads, including subtractive methods (many kinds of thread cutting and… … Wikipedia
