英语词汇“rotary percussion drill”的翻译、意思、用法、释义-英汉汉英词典

单词	rotary percussion drill
释义	rotary percussion drill旋转冲击钻rotary percussion drill旋轉衝擊鑽土木工程名詞
随便看	normal sleeve normal slide valve normal slip fault normal slope normal software environment normal soil normal solution normal solvability normal sort normal sort program normal sort program input procedure normal space normal spacewidth normal specification normal spectra normal spectrum normal spectrum (of life forms) normal speed normal--speed normal speed program normal speed screen normal spin normal--spin normal spinel normal spinel structure