drill piston stroke

drill piston stroke
ход поршня бурильного молотка

English-Russian mining dictionary. 2015.

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  • Crank (mechanism) — A crank is an arm attached at right angles to a rotating shaft by which reciprocating motion is imparted to or received from the shaft. It is used to change circular into reciprocating motion, or reciprocating into circular motion. The arm may be …   Wikipedia

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  • Baptist well drilling — A very simple manual method to drill water wells, meant to be applied by very poor villagers in developing countries, who quickly learn how to drill their wells themselves. The Baptist drilling rig can be built in any ordinary arc welding… …   Wikipedia

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