Aside from fluorescent tubes, which have been a mainstay for years, there have been few options that offered true CIE standard...
ນອກຈາກທໍ່ fluorescent, ເຊິ່ງເປັນຫລັກ ສໍາ ລັບຫລາຍປີແລ້ວ, ມີຫລາຍທາງເລືອກທີ່ສະ ເຫນີ ມາດຕະຖານ CIE ທີ່ແທ້ຈິງ ...