|
link 29.08.2007 6:53 |
Subject: plastic formations plastic formations - ?Tricone bits are designed to drill in a very wide range of applications. They can drill very hard formations, very abrasive formations, soft formations, plastic formations, sticky formations and any combination of those listed under various operating parameters. Each bit is designed to perform in a specific application or range of applications. |
я бы написал "пластичные горные породы".. на основе логики, а не глубинного знания предмета))) |
You need to be logged in to post in the forum |