cutting bit造句

In drilling an oil well, mud is used to lubricate the cutting bit.
钻油井时, 泥浆被用来润滑钻头.

相关问题

cutting bit怎么读

cutting bit的音标：cutting bit的英式发音音标为：['kʌtɪŋ bit]cutting bit的美式发音音标为：['kʌtɪŋ bɪt]...
- #cutting bit
- #发音
cutting bit是什么意思

n.钻头...
- #cutting bit
- #释义