密封套管轴承 enclosed tubular bearing
密封套管 seal-off bushing
轴的密封套管 shaft enclosed tube
勃特雷斯型双密封套管 bds casing
终端：在易燃易爆场合必须采用配套的终端密封盒，一般场合也可以采用快干硅胶和热缩套管密封。
Terminals: in explosive situations must complete sealing of the terminal box, the general situation can also be used heat shrink tubing and quick-drying silicone seal.
美国红阀公司的锚链管道阀门配置弹性强化人造橡胶套管，能够实现对锚链或缆索的环绕紧密密封。
The Red Valve Hawse pipe valve features a flexible reinforced elastomer sleeve that seals tightly around the anchor chain or cable.
针对这一难题，研制了套管防盗油密封阀，并配套应用了井下油气分离器与气举阀助流举升工艺技术。
According to this problem, casing oil stolen prevention sealing valve was developed, matching with down-hole oil-gas separator and gas lift valve lift technology.
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