13:10 Sep 20, 2011 |
Polish to English translations [PRO] Tech/Engineering - Mining & Minerals / Gems / kopalnie | |||||||
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| Selected response from: A.G. Local time: 17:31 | ||||||
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3 | late load bearing |
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late load bearing Explanation: hydraulic prop Propozycja na podstawie odnośnika (natychmiastpodporowy - to tam early load bearing prop). Nie szukałem innych kombinacji. Principles and Practices of Modern Coal Mining - Wynik z Google Books books.google.com/books?isbn=8122409741...R. D. Singh - 2007 - Liczba stron: 720 Various devices have been tried to obtain the desirable characteristics of the friction prop, ... Figure 12.37 shows a Dowty Hydraulic prop known as Duke prop. ... |
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