;1.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
井泵经过
部输送到头喷嘴
流体是一种瞬态流动，存在着压力行波，使从普通喷嘴射出流体有一定程度
动。
搏;悸动;动动；压力冲声明：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
容亦不代表本软件
观点；若发现问题，欢迎向我们指正。
