A cikin masana'antar ajiyar makamashi ta kasar Sin, ana gwada batir ajiyar hasken rana bisa ga ƙimar C10 a matsayin ma'aunin gwajin ƙarfin baturi, duk da haka, wasu masana'antun batir a kasuwa suna rikitar da wannan ra'ayi, Domin rage farashin, ana amfani da ƙimar C20 azaman ƙarfin. gwada misali f...
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