LED a cikin fitilun ƙasa / recessed yanzu ana amfani da ko'ina a cikin kayan ado na wuraren shakatawa, lawns, murabba'ai, tsakar gida, gadajen fure, da titin masu tafiya a ƙasa. Koyaya, a farkon aikace-aikacen aikace-aikacen farko, matsaloli daban-daban sun faru a cikin fitilun binne LED. Babbar matsalar ita ce matsalar hana ruwa. LED a cikin ...
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