Kuthamangitsa Mwachangu Kuyeretsa Mwachangu Rotary Airlock Valve
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Kuyeretsa Mwamsanga kwa Rotary Airlock Valve
Dzina lazogulitsa: Kuyeretsa Mwamsanga kwa Rotary Airlock Valve
Kagwiritsidwe: Negative pressure wind network
Zida: Chitsulo chosapanga dzimbiri 304 ndi 316 chilipo
