Maketani e20A-1/20B-1 ese ari maviri rudzi rwecheni inotenderera, uye anosiyana zvakanyanya muhukuru hwakasiyana zvishoma. Pakati pawo, pitch yecheni ye20A-1 ndeye 25.4 mm, dhayamita yeshaft ndeye 7.95 mm, hupamhi hwemukati ndeye 7.92 mm, uye hupamhi hwekunze huri 15.88 mm; nepo pitch yecheni ye20B-1 iri 31.75 mm, uye dhayamita yeshaft iri 10.16 mm, nehupamhi hwemukati hwe 9.40mm uye hupamhi hwekunze hwe 19.05mm. Saka, pakusarudza macheni maviri aya, unofanirwa kusarudza zvichienderana nemamiriro chaiwo. Kana simba rekutumirwa riri diki, kumhanya kwakakwira, uye nzvimbo yakamanikana, unogona kusarudza cheni ye20A-1; kana simba rekutumirwa rakakura, kumhanya kwakaderera, uye nzvimbo yakakwana, unogona kusarudza cheni ye20B-1.
Nguva yekutumira: Nyamavhuvhu-24-2023