01 Mapangidwe Odziwika a Api 5ct Casing Pipe Omwe Amagwiritsidwa Ntchito Mu Oilfield Sreel Pipe With Thread
Kulimbikira mu "Zapamwamba, Kutumiza Mwachangu, Mtengo Waukali", tsopano takhazikitsa mgwirizano wanthawi yayitali ndi makasitomala ochokera kutsidya lina lililonse komanso kunyumba ndikupeza ndemanga zamakasitomala atsopano ndi akale pa Popular Design for Api 5ct Casing...