• The average daily advance was 32 ft.
• A new tunnel drivage record ...
• In driving headings ( штреков ) on both levels an effort is made to ...
• This increases drilling footage per manshift.
• The average daily advance was 32 ft.
• A new tunnel drivage record ...
• In driving headings ( штреков ) on both levels an effort is made to ...
• This increases drilling footage per manshift.
Циммерман М., Веденеева К.. Русско-Английский научно-технический словарь переводчика. Russian-English scientific dictionary for translators. 2012