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1·This period of time is known as valve overlap.

这时期被称为气门重叠。

2·Valve timing and valve overlap vary on different engines.

配气正时和气门重叠变通用于不同的发动机。

3·This is called valve overlap. Valve timing and valve overlap vary on different engines.

不同的发动机，其配气相位和气门重叠是不一样的。

4·Conventional measure to avoid the damage is to install explosion proof equipment in intake pipe besides decreasing valve overlap Angle.

为了避免这种危害，通常采取的办法除了减小气门重叠角外，就是在进气管安装防爆装置。

5·Experiments conducted with moderate compression ratios (10.4 and 15) and using two modes of HCCI control, i. e. intake heating and NVO (Negative Valve Overlap) received the expected results.

试验在一个专用于HCCI研究的单缸发动机上实施，采用两种中等的压缩比(10.4和15)和两种HCCI模式(进气加热和负气门叠开)，试验结果证实了这种期望。

6·The main reasons were due to the defect in the design of safety valve secondary circuit and the overlap of the service rating and the setting for safety valve popping and reseating.

主要原因是锅炉安全阀二次保护回路设计有缺陷，再加上安全阀起跳和回座的整定值与运行额定值相重叠造成的。

7·The intake and exhaust valve opening times will overlap as RPMs rise, recycling some of the charge the outgoing air creates.

进气和排气的气门开合时间随着转速的提高相互交叠，循环着将废气排出。

8·This paper discusses the use of a pilot valve with overlap, to eliminate load oscillations of a steam turbine that may take place owing to the oscillation of the oil pressure.

本文着重讨论了采用滑阀重叠以消除由于油压波动而引起的汽轮机负荷波动问题。