Faatusatusa le valve diaphragm ma le pa'u i totonu o meafaigaluega aseptic process, globe valve, diaphragm valve, polo valve, valve gate, valve saogalemu ma isi valve pe faapefea ona su'e le mamafa, o a metotia?
Faatusatusa le valve diaphragm ma le pa'u i totonu o meafaigaluega aseptic process, globe valve, diaphragm valve, polo valve, valve gate, valve saogalemu ma isi valve pe faapefea ona su'e le mamafa, o a metotia? I le faagasologa o le gaosiga o le aseptic, o le masani ona faʻaaogaina taofi ...
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