cutting bit ['kʌtiŋ bit]以下由轻松背单词网站提供
词组级别附加级基本释义钻头参考例句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。Reducing rates a bit at a time, it keeps cutting until the economy turns around. 一次降一点,一直降到经济反转为止。 推荐阅读 |