①Mapaipi a nthunzi ndi mafuta otentha amang'ambika ndikutha, chipika cha injini chimakhala chochita dzimbiri ndikukanda, Kuwonongeka kwa m'mphepete mwa chowumitsira mapepala ndi kutuluka kwa mpweya wa malo osindikizira a chivundikiro chomaliza, kukonza nkhungu zomangira pulasitiki, ndi zina zotero; ②Ndege, flanges, ma hydraulic system, ulusi wolumikizira, e ...
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