Izinto zokuhlola phansi zihlanganisa: Okuqukethwe okuphansi (okuqukethwe phansi), inani lokugcwalisa, ukuguquguquka, ukuhlanzeka, ukusetshenziswa komoya-mpilo, izinga lamafutha asele, uhlobo oluphansi, ama-microorganisms, i-APEO, njll. Amazinga ahlanganisa izingubo eziphansi ze-GB/T 14272-2011, i-GB/T 14272 -2021 izingubo eziphansi, ama-QB/T 1193-2012 ama-quilt aphansi, njll. 1) Yenza...
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