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 (一)無線電設備常用元器件圖形符號表1.5-1 常用元器件符號(摘錄自GB4728)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(續(xù)表)(二)電氣文字符號國家標準GB7159—1987中的文字符號,基本上采用 (共 457 字) [閱讀本文] >>