Kúi-tō kheng-siâ-kak

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Kúi-tō kheng-siâ-kak (軌道傾斜角; orbital inclination) sī chham-khó pêⁿ-bīn kap lēng-gōa chi̍t ê pêⁿ-bīn hong-hiòng chi-kan só͘ kiap ê kak-tō͘.