seal and storage technology  封存技术

and seal  密闭

Assemblage of Reservoir and Seal  储盖组合

automatic envelope seal and stamping machine  自动封缄及贴票机

Combination of source rock and reservoir and seal  生储盖组合

face seal seal joint  端面密封密封连接

gas seal and pressure  气密及压力

Joint and Seal  连接与密封

Lubrication and Seal  润滑与密封

mud catcher with seal and function of drill  封闭旋进取泥器

Perfusion and Seal Gum  灌封胶

permeable layer and seal coat  双向格栅

reservoir and seal assemblage  储盖组合

reservoir and seal character  储盖特征

Reservoir and seal condition  储盖条件

seal and blocking  封堵

seal and bushing group  密封和衬套组件

Seal and pressure bearing  密封承压

Seal and reservoir assemblage  储盖组合