分析了双头双螺杆泵密封腔的密封原理。
单头双螺杆泵与双头双螺杆泵密封腔的密封原理相同。
The sealing principle of sealing cavity in single thread twin screw pump is the same as that in double thread twin screw pump.
泵密封采用机械密封，具有密封可靠，无泄漏的特点。
Pump USES mechanical seal to feature dependable seal and no leakage.
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