tangent circle

美英加陆军规格_馆档网 ... "切弧"," tangent arc" "切圆"," tangent circle" "1.相切曲线 2.正切曲线"," tangent curve" ...

circle的翻译中文意思-在线英汉词典 ... study circle 学习小组 tangent circle 相切圆 tilt circle 倾角圈 ...