英语词汇roller bit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

短语

1
Roller bits are used widely in water well drilling.
目前牙轮钻头已较为广泛地用于水井钻探。
2
Roller bits mainly break the rocks by knocking and crushing, aided with shearing.
金刚石钻头主要靠剪切、切削破岩、辅以压碎破岩。
3
Some papers have put forward the lateral scraping action results of the roller bits, which are quantitatively inaccurate and qualitatively defective.
一些文献就不同结构的钻头各有何种横向刮凿作用的问题提出的答案，既不能准确定量，在定性概念上也有严重缺点。

单词	roller bit
释义	roller bit 简明释义牙轮钻头；旋转钻头网络释义 1 ?牙轮钻头牙轮钻头短语 1 Palm of Roller Bits 牙轮牙掌 2 cone base roller bits 锥底滚刀钻头 3 roller fixing bits 装刀滚筒双语例句 1 Roller bits are used widely in water well drilling. 目前牙轮钻头已较为广泛地用于水井钻探。 2 Roller bits mainly break the rocks by knocking and crushing, aided with shearing. 金刚石钻头主要靠剪切、切削破岩、辅以压碎破岩。 3 Some papers have put forward the lateral scraping action results of the roller bits, which are quantitatively inaccurate and qualitatively defective. 一些文献就不同结构的钻头各有何种横向刮凿作用的问题提出的答案，既不能准确定量，在定性概念上也有严重缺点。
随便看	keep ... secret keep secret keep sentry keep from keep going keep guard keep shady keep sharp lookout keep ... shirt on keep shop keep house keepsies keep sight of keep silence keep silent keep silent about keep in keep in line keep in step with keep in with keep it real keep smiling keep mum keep off keep soil from packing together