这就产生了一个密封的腔室，导入管线流体和压力。
This creates a sealed chamber into which line fluid and pressure is introduced.
控制室门不密封。
密封2个相向旋转螺杆与转子室之间的微小配合间隙。
Seal two opposite spin screw and rotor tiny fitting clearance between the Chambers.
这道密封的门防止水进入地下室。
This sealed door won't allow the water come into the basement.
这道密封的门防止水进入地下室。
This sealed door won't allow the water come into the basement.
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