- reciprocating sifter
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просеивающая машина с возвратно-поступательным движением сит
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
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
List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have … Wikipedia