Tiān-kám-khì

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Tiān-kám-khì (Eng-gí: inductor) sī pī-tōng-sèng ê siang bóe tiān-khì goân-kiāⁿ, tong tiān-liû keng-kòe ê sî, thang siu chûn tiān-khì lêng-liōng tī chû-tiûⁿ lāi-bīn.