Extruded Sand-Gravel Column with Sleeve Valve Grouting  砂砾挤扩灌浆桩

control valve sleeve  控制阀套筒

dual-slurry sleeve-valve pipe  双液袖阀管

fuel valve sleeve  燃油阀阀套

horizontal sleeve valve pipe  水平袖阀管

one-way valve sleeve  单向阀阀套

rotary sleeve valve  转筒阀

single sleeve valve  单套阀

sleeve barrel  套缸

sleeve grouting  套管灌浆

Sleeve Valve  层; 片; 套阀; 袖阀管; 套筒式滑阀; 套筒阀; 圆滑阀

sleeve valve engine  套筒阀动力机}; 滑阀式发动机

Sleeve Valve Tube  袖阀管

sleeve valve tube grouting method  袖阀管灌浆法

Sleeve Valve Tube Grouting Technique  注浆技术

Sleeve-valve Pipe  袖阀管

Sleeve-Valve Type Split Grouting  袖阀式劈裂注浆

sleeve-valve-pipe grouting  袖阀管注浆

slide valve sleeve  滑阀衬套