詞語：tubing-retrievable
tubing-retrievable的意思
tubing-retrievable 由油管收回的;
tubing-retrievable的參考例句
1.It is attached to the bottom end of a retrievable packer, and opens and closes automatically with the change of the pressure of the hot fluid column in the tubing-casing annulus. 整個裝置接在丟手封隔器下端，由井筒中清蠟熱液液柱壓力自動控制關閉與打開。