blockagen.封锁;障碍;[医]阻塞
blockage of fault by grouting断层注浆封堵
blockage of semilunar ganglion半月神经节封闭术
Blockage of the visual orifice通明孔窍闭塞
blockage removing technologies化学解堵技术
blockage correction of weighing浮力校正
blockage of access to information封锁信息
blockage of cervical sympathetic ganglia颈交感阻滞
blockage removal/pressure boosting in combination解堵/增能复合作业