Iyo ibice bya vacuum, nka valve, imitego, abakusanya ivumbi hamwe na pompe vacuum, bihujwe hamwe, bagomba kugerageza gukora umuyoboro wa pompe mugufi, umuyoboro wogutwara imiyoboro nini, kandi umurambararo wumuyoboro ntushobora kuba muto ugereranije na diameter yicyambu cya pompe, ninde ...
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