1) water column
压水柱
2) Hydraulic prop
水压支柱
1.
The support characteristics of rapid yield hydraulic prop and its application in deep slowly inclined thin ore vein mine;
水压支柱支护特性及其在深井开采中的应用
2.
Such new technologies as hydraulic prop sustaining and fast filling method with curtain separation were adopted so as to enable the synchronous sealing of mined out area and the mining operation, and mining efficiency was increased substantiall
采用水压支柱护顶、帷幕隔离快速充填采矿新工艺 ,使采场空区的密闭与采矿作业同步进行 ,大幅度地提高了采矿效
3) Hydraulic props
水压支柱
1.
Study on supporting performance of rapid yielding hydraulic props system;
快速让压水压支柱系统支护性能研究
4) hydraulic props system
水压支柱
1.
It gives detailed description of the study on the key technology of hydraulic props system,and segregation with curtain followed by tailing filling.
文中分析了我国缓倾斜薄矿脉开采的现状 ,提出了深井连续推进帷幕隔离跟随充填采矿新工艺 ,并详细介绍了新工艺中的关键设备水压支柱及帷幕隔离尾砂充填新技术的试验情况。
5) water column pressure
水柱压力
1.
The dynamic hydraulic pressure includes water column pressure, down-suction force, up-holding force, sustaining force and friction.
动水压力包括门顶水柱压力、下吸力、上托力、支承和止水摩阻力等,这些作用力,均是确定闸门启闭容量的重要依据。
补充资料：冲击波超压与动压