英语词汇“凹面向上之竖曲线”的翻译、意思、用法、释义-英汉汉英词典

单词	凹面向上之竖曲线
释义	凹面向上之竖曲线vertical curve concave upwards
随便看	needlessly needlessly spent needlessness needless to say needles, the needlestick needlestick injury needle stone needle-stone needlestone needle--stop needle structure needle talk needle telegraph needle-telegraph needletelegraph needle therapy needle time needle tin ore needle tooth needle trace needle trade needle trades needle-transfer needle traverse