A-lú-mih
'''ppm''', iā thang kóng '''pah-bān hun-lu̍t''', sī Eng-gí ''parts per million'' ê thâu-jī-bó sio̍k-siá, eng lâi piáu-sī mi̍h-kiāⁿ koah 100… ê ia̍h í-keng kiàn-li̍p
05:18
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