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bench face angle (BFA MichaelBurov) | |||
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bench face angle (BFA MichaelBurov); bench-crest-to-bench-toe angle (BFA MichaelBurov); batter angle (в карьере MichaelBurov); bench batter angle (в карьере MichaelBurov) |
угол откосов уступа: 5 phrases in 1 subject |
Mining | 5 |