N'oge a na-arụ ọrụ nke onye na-emepụta mmanụ diesel, mgbe ụfọdụ, a na-eme ụda dị elu, dị nkọ na nke na-aga n'ihu na-eme ka ụda "squeak" na-aga n'ihu. Mgbe mmanụ ọkụ na-agba ọsọ, ụda ahụ na-apụtawanye ìhè, nke a na-akpata site na mwepu nke ihe ndọpụ. ⑴ Ihe kpatara ① The belt esemokwu nke fan ma ọ bụ ikuku mgbapụta bụ insuff ...
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