অনুসন্ধান করুন
Geared wheel
01
a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
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অ্যাপ ডাউনলোড করুন
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অনুসন্ধান করুন
a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion