rolamite.
/roh-luh-mahyt/US // ˈroʊ ləˌmaɪt //
润华
Definitions
n.noun · 名词
- 1.
- › a simple, almost frictionless mechanism consisting of a flexible metal band formed in an S-shaped loop around moving rollers: used in innumerable devices, including thermostats, odometers, brakes, and electromechanical weapons.
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