亚洲网紅露点

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double-helical gear

[ duhb-uhl hel-i-kuhl ]

double-helical gear

noun

  1. another name for herringbone gear
鈥淐ollins English Dictionary 鈥 Complete & Unabridged鈥 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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double-headerdouble helix