類型: 連結
出處: Illuminating Engineering Society
連結: https://www.ies.org/standards/committee-reports/ies-committee-report-cr-2-20-faqs/
類型: 連結
出處: Illuminating Engineering Society
連結: https://www.ies.org/standards/committee-reports/ies-committee-report-cr-2-20-faqs/