The wall shear stress caused by cement slurry flowing in the annular space is a key element that affects the displacing efficiency.
水泥浆环空流动的壁面剪应力是影响顶替效率的关键因素。
2
Vibration and traveling wave stress analysis of rotating bevel gears is performed using annular finite element.
提供了一种使用半解析环形棱柱有限元求解盘形锥齿轮行波振动的方法。
3
In a second embodiment, the bag is provided with an outward fold, forming an annular cavity upon contact with the cavity containing the element to be extracted.