Dab tsi yog cov khoom ntawm ib kab noj hniav isodensity nias nres pad pwm?

(1) Cov chaw tsim khoom lag luam ntawm tus brake pad pwm
(2) Qhov no yog ib kab noj hniav sib npaug ntawm qhov sib npaug ntawm qhov nias nres pad pwm
(3) Cov khoom tseem ceeb: 1. Pwm kab noj hniav 2. Pwm core 3. Hlau rov qab rub ncej 4. Pub hopper
(4) Cov kab ntau lawm yog automated thiab tuaj yeem ua haujlwm tsis muaj neeg siv
Tseem muaj cov nram qab no brake pad pwm:
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