vented-exhaust mechanical pump =gas ballast pump

 
  • 压载水泵

vented-exhaust mechanical pump =gas ballast pump的用法和样例:

例句

  1. They are F.O. pumps, L.O. pumps, ballast pumps, fresh water pumps, sea water pumps, and bilge pumps.
    它们是燃油泵,润滑油泵,压载水泵,淡水泵,海水泵,和舭部液舱泵等。
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