Kev tswj pwm tuaj yeem muab faib ua peb qhov sib txawv, xws li kev tsim pwm, kev siv pwm thiab kev kho pwm.
Pwm xeb yog ib txwm tshwm sim thiab tshwm sim los ntawm cov laj thawj tshwj xeeb. Nws tsis yog ib qho teeb meem ntawm qhov zoo ntawm cov hlau. Hnub no kuv yuav qhia koj tias dab tsi ua rau pwm xeb.
Hnub no, kuv xav piav qhia rau koj txog kev lees paub ntawm cov khoom pwm. Peb tsuas yog txheeb xyuas qhov pom, qhov loj thiab cov khoom ntawm cov pwm. Cia peb saib.
Raws li "niam ntawm kev lag luam", pwm ua lub luag haujlwm tseem ceeb hauv kev txhim kho kev lag luam hauv lub tebchaws.
Cov ntaub ntawv sib xyaw yog tsim los ntawm kev sib xyaw ntawm ob lossis ntau cov khoom siv nrog cov khoom sib txawv ntawm lub cev lossis tshuaj lom neeg.
Raws li kev lag luam automotive txuas ntxiv mus, yog li qhov kev thov rau lub tsheb qhov chaw, nrog rau lub tsheb bumper pwm.