英语词汇drilling character of rock怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	drilling character of rock
释义	drilling character of rock 简明释义凿岩性网络释义 1 [矿业]?凿岩性 ... drilling angle 钻孔倾角 drilling character of rock 凿岩性 drilling cycling time 钻孔循环时间 ... 双语例句 1 The test result shows the penetration rate of the bit is closely related to the transmission ratio, cutter teeth structure, rock character and drilling parameters. 试验结果表明，钻头的机械钻速与传动比、齿面结构、岩石性质及钻井参数有密切的关联，为改进这两种钻头的设计提供了重要依据。
随便看	let down easy letdown flow letdown flow path letdown flowrate let down gas letdown heat exchanger let down heat exchanger letdown heat exchanger letdown line letdown line isolation valve let down one's guard let down one's hair letdown orifice letdown pipe letdown ratio let-down reflex let down reflex letdowns letdowns let down let down someone letdown stream let down stream letdown stream let-down system

英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。