Yakadzama nzira yekushandisa kwakaringana mavharuvhu I
Iyo valve mudziyo unoshandiswa kudzora kutungamira, kudzvanywa uye kuyerera kwemvura mune yemvura system, iyo inogona kuita yepakati (mvura, gasi, hupfu) mupombi nemidziyo kuyerera kana kumira uye kutonga kuyerera kwayo. Iyo vharafu chinhu chakakosha chekudzora chikamu mune fl ...
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