China yakakwira-chaiyo inotonhora inodhonzwa chubhu, yekutanga kushandiswa zvakanyanya muindasitiri yemarasha, uye ikozvino yakatambanudzirwa kune yekugadzira engineering indasitiri, oiri, silinda, silinda uye piston tsvimbo. Kudhirowa mhando, kunyatsoita, zvakanyanya uye zvakanyanya kukwirira, kugadzirwa kuri kuwedzera zvakare, ne ...
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