They differ from reciprocating pumps in that they deliver an even flow of liquid, but they are unsuitable for pumping liquids of low viscosity, which tend to leak past the tips of the gear teeth.

 
  • 这种泵与往复泵的不同点,在于所输送的液体流量均匀,但不适于用来输送低粘度的液体,因为低粘度液体流经轮齿定端时易发生渗漏现象。
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