tapered step-core bit 锥形塔式岩芯钻头 ; 锥形阶梯取心钻头
step type bit 阶梯形钻头
step type drag bit 阶梯形刮刀钻头
step core bit 阶梯式金刚石岩心钻头 ; [机] 梯形钻头
step-type bit 阶梯式钻头
step-face bit 阶梯状钻头
step-face design bit 阶梯状钻头
Compared with the conventional step bit, the drilling speed of the optimization step bit is increased by 22%.
在此基础上对九阶梯钻头的结构进行了优化设计,与普通结构阶梯钻头相比,优化钻头钻进速度提高了22%。
参考来源 - 阶梯式冲击挤密钻头结构优化设计及试验·2,447,543篇论文数据,部分数据来源于NoteExpress
Taking a step that many professors may view as a bit counterproductive, some colleges and universities are doling out Apple iPhones and Internet-capable iPods to their students.
一些高校正在向学生发放苹果的 iPhone 和可上网的 iPod,这一举措可能会让很多教授觉得有点适得其反。
The next step is a bit difficult because you need to decide what information about each word you will write in the notebook.
下一步有点困难,因为你需要决定写在笔记本上的每个单词的信息。
Learning to write by hand is a bit slower course, but it's important for children to experience the tiring step of learning to write by hand.
学习手写是一个比较慢的过程,但对孩子来说,体验学习手写的这一累人步骤是很重要的。
The first step uses a bit of influenza DNA to get the patient's immune system to begin fighting off the flu, and then the protection is given a "boost" some time later by the second step, which can be either another bit of DNA or a conventional flu vaccine.
VOA: standard.2010.07.21
So, that's probability density, but in terms of thinking about it in terms of actual solutions to the wave function, let's take a little bit of a step back here.
这就是概率密度,但作为,把它当成是,波函数的解,让我们先倒回来一点。
But now at least we're a step closer to doing something that's a little bit more compelling, but this isn't always a good thing.
但是现在至少是,向更引人入胜的代码靠近了一步,但这并不总是好事。
应用推荐