... gland condenser 汽封冷凝器 gland cover 密封套，密封压盖；填料压盖 glanded pump 填料函泵，轴封泵 ...
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每段电热带可置在与油管结合的密封套筒1里，以防与油液接触。
Each electrical heater band can be arranged in a sealing bush 1 which is combined with the oil tube in case of the contact with oil.
围绕套管的四周360度的环型空间允许水泥完全能够密封套管与井壁。
A continuous 360-degree annular space around casing allows cement to completely seal the casing to the borehole wall.
通过实验选择热缩基材和粘附的热熔胶复合在一起制成的热缩密封套能够耐海水腐蚀。
A base material of thermal shrinkage is selected through experiments and it is then compounded with a sticky sweat size water to form a seal cartridge of seawater corrosin resistance.
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