英语词汇“vertical principal line”的翻译、意思、用法、释义-英汉汉英词典

单词	vertical principal line
释义	vertical principal line直立主线vertical principal line直立主線工程圖學
随便看	hang out (或show) the white flag hang out (或 up) one's shingle hang over hang-over hangover hangover fire hangovers hang over someone's head hang plate hang river hang room hang round hangs hang seng index hang show the white flag hang signs in selling goods hangsman hang someone in effigy hangtag hang ten hang the bell about the cat's neck hang the flag at half-mast hang the head hang the jury hang the landlady