Taking natural thermo-potential difference as natural draft pressure is ambiguous in theory and not in accord with the actual condition of mines.

把自然热位差当做自然风压在理论上是模糊的，是不符合矿井实际情况的。

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This paper describes the design of a portable draft pressure tester and analyses its architecture and the working principle of its main module, and also discusses its accuracy.

本文介绍一种便携式微差压测试仪的设计，详细分析它的系统结构以及主要模块工作原理，并对它的精度进行讨论。

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Amplitude and phase of pressure fluctuation at the inlet of draft tube as well as the inner flow in draft tube are analyzed in detail.

详细分析了尾水管进口截面的压力脉动的幅值和相位，并对尾水管内的流动做了分析。

youdao

The United Nations Security Council in New York has adjourned its debate on the crisis, saying it needs more time to discuss a draft resolution designed to put pressure on Israel to withdraw.

BBC: EU team meets Israeli leaders

Nevertheless, there is more than enough controversial material in this week's draft to inflame the Eurosceptics' ire, so the pressure on Mr Blair to give in and call a referendum is likely to grow and may well become irresistible.

ECONOMIST: Discord over Giscard's Euro vision

Obama's distaste for standing with Israel was demonstrated in February when a visibly frustrated US Ambassador Susan Rice was forced by Congressional pressure to veto the Palestinians' Security Council draft resolution condemning Israel for refusing to prohibit Jews from building in Jerusalem, Judea and Samaria.

CENTERFORSECURITYPOLICY: Where Obama is leading Israel