idle pulley
معنی فارسی
قرقره راهنما
ریشه و کاربرد
ریشه
Combination of 'idle' (from Old English 'idel' meaning 'empty, useless') and 'pulley' (from Middle English 'poleie', of unknown origin).
مثال
- The idle pulley helps guide the belt in the machine.
- The mechanic replaced the worn-out idle pulley.
- The idle pulley was not rotating freely, causing the belt to slip.
ترکیبهای رایج
replace the idle pulley idle pulley rotation idle pulley system idle pulley mechanism
تعریف انگلیسی
noun
- a pulley on a shaft that presses against a guide belt to guide or tighten it