对不同渗透性的砂层及岩心,均具有较好的封堵效果.It is suitable to the sand beds and cores with various permeabilities.封堵旅客使用的马车路是违法的.It is illegal to block any traveled wagon road.可取式桥塞是一种油田用井下封堵工具.Removable bridge plug is an oil filed down - h...

“封堵”的拼音为：fēng dǔ...

“封堵”的英语可以翻译为：plugging ...