Lūi-pia̍t:Tông-tio̍k soân-e̍k ti̍t-seng-ki

Wikipedia (chū-iû ê pek-kho-choân-su) beh kā lí kóng...

Tī Wikimedia Commons téng ê siong-koan tóng-àn: Helicopters with coaxial rotors

Pún lūi-pia̍t ê chú-iàu bûn-chiuⁿ sī Coaxial rotors.

Tī "Tông-tio̍k soân-e̍k ti̍t-seng-ki" chit ê lūi-pia̍t ê bûn-chiuⁿ

Chit ê lūi-pia̍t kan-taⁿ ū ē-kha chit ia̍h.

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Lâi-goân: "https://zh-min-nan.wikipedia.org/w/index.php?title=Lūi-pia̍t:Tông-tio̍k_soân-e̍k_ti̍t-seng-ki&oldid=3087003"