本文简要介绍“二次压力脂气组合泵”的设计特点，设计理论和方法。
This paper briefly deals with the theory, method and characteristics of the design of a twice pressure grease-gas composite pump.
当他第二次赢得了温网，他又哭了，虽然他不再有那么多的压力。
When the second time he won, he cried out again though he did not have so much pressure as before.
如果英国人不接受修改过的条约，那么要求他们就其欧洲俱乐部身份进行第二次全民公决的压力就会增加一倍。
If Britons voted to reject the revised treaty there would be redoubled pressure for a second referendum, on their membership of the European club.
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