Bututun jan ƙarfe R410 da R22 Matsalolin da R410a refrigerant ke samarwa shine sau 1.6 na R22 refrigerant, wanda ke buƙatar babban yawa na bututun jan ƙarfe, juriya mai ƙarfi mai ƙarfi, tsaftar bututun jan ƙarfe, da kauri iri ɗaya na bangon bututun jan ƙarfe.Saboda haka, tsarin kwandishan na R4 ...
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