December 2018 1 9 Report
Sepuluh mesin identik yang dioprasikan serentak mempunyai taraf intensitas bunyi rata-rata 40 db. jika 1000 mesin identik dioperasikan bersama-sama maka tarif intensitas buyi yang terdengar adalah..... ( tolong pake cara)
More Questions From This User See All

Life Enjoy

" Life is not a problem to be solved but a reality to be experienced! "

Get in touch

Social

© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.