The slottedpipe with narrow slots can be mass worked economically and efficiently by means of open loop system and hand automatic model shifter.
采用开环系统和手动、自动模式切换装置,可以经济、有效、大量地加工带有窄缝的割缝筛管。
2
The complex slotted cartridge is put forward on the basis of previous research, namely, a slottedpipe is added between slotted charge and borehole, using water as medium.
在前人的基础上提出了复合型切缝药包,即是在切缝药包和炮孔壁之间再加一个切缝管,用水做耦合介质。
3
The pressure of slotted pipes in a sandy well was analyzed. The bottom hole pressure was computed. A model for computing the bending strength and stiffness of a slottedpipe was proposed.