ballast water valve rod 压载水阀操纵杆
control valve sleeve 控制阀套筒
dual-slurry sleeve-valve pipe 双液袖阀管
Extruded Sand-Gravel Column with Sleeve Valve Grouting 砂砾挤扩灌浆桩
fuel valve sleeve 燃油阀阀套
gas valve valve seat 气门-门座
horizontal sleeve valve pipe 水平袖阀管
one-way valve sleeve 单向阀阀套
push rod valve system 推杆阀系统
rotary sleeve valve 转筒阀
single sleeve valve 单套阀
Sleeve Valve 层; 片; 套阀; 袖阀管; 套筒式滑阀; 套筒阀; 圆滑阀
sleeve valve barrel grouting 袖阀管; 袖阀管注浆
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