Fluid is conveied to bit nozzel through drill string from pump is a transient state flowing with pressure wave, which makes the fluid jetted out from nozzel has certain pulsation.
从
井泵经

内部输送到
头喷嘴的流体是一种瞬态流动,存在着压力行波,使从普通喷嘴射出的流体有一定程度的脉动。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
Seeing birds fly in front of the moon or hearing the calls from above, I found really thrilling because it felt like I was tapping into this vast mysterious pulse-of-the-planet phenomenon that was just so much bigger than me.
看到鸟儿在月亮前飞翔,或者听到头顶天空传来的鸟鸣,我觉得非常激
人心,因为这感觉就像我正在探索这个巨大而神秘的星球
现象,它比我想象的要大得多。
No two actions are ever identical. We must mention here also a little regarding pulsations and the appearance or semblance of continuity. Every action involves a pulsation; you will recall we spoke of the pulsation of atoms and molecules.
没有两个行
是完全相同的。我们还必须在此提及一点关于
冲和连续
的外貌或表象。每一个行
都涉及到
;你会记得我们曾谈到原子和分子的
。

记
课95