封堵 垫高

block up  detail>>

封堵

blind in block off block up blockage clogging close off formation seal...  detail>>

垫高法

pad method  detail>>

垫高地坪

make up level  detail>>

外轨垫高

superelevation super-elevationintrack  detail>>

封堵层

plugged zone  detail>>

封堵机

stopple plugging machine  detail>>

封堵剂

block agent blocking agent formation sealant plugging agent  detail>>

封堵井

plugged well  detail>>

封堵率

stemming ratio  detail>>

封堵门

closure gate  detail>>

封堵器

amplatzer septal occluder stopper  detail>>

封堵球

ball sealer  detail>>

砼封堵

concrete plug  detail>>

地层封堵

formation shut-off  detail>>

废弃封堵

abandonment plugging  detail>>

封堵材料

plugging material  detail>>

封堵衬套

pack off bushing  detail>>