single hydraulic prop meaning in English

单体液压支柱

Talking about single hydraulic prop caving coal mining
单体液压支柱放顶煤开采探讨
The research on single hydraulic prop equipped with detachable lengthened segment
单体液压支柱配用可拆装加长段的研究
Application of using single hydraulic props as temporary support in room - and - pillar coal face
刀柱炮采工作面单体液压支柱临时支护方式
Digging overall height floor coal at one times at about 3 . 0m seam face with single hydraulic prop
左右煤层采用单体液压支柱支护卧底煤一次采全高
Discussion on the application of 3 . 5 m single hydraulic prop mining all height at one times in slope long wall mining
单体液压支柱一次采全高在倾斜长壁开采中的应用