The first P-type covering layer (61) which composed of P-type nitride semiconductor containing indium and gallium sets contacting with one side of the active layer.是什么意思_The first P-type covering layer (61) which composed of P-type nitride semiconductor containing indium and gallium sets contacting with one side of the active layer.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句