放气

If global air-failure and valve is kept as FC, steam to reboiler will fail close, reflux will fail open, hence likely that safety valve will not blow.

如果整体气源中断，而阀保持故障关，到再沸器的蒸汽将故障关闭，回流将故障打开，因此有可能安全阀不会打开泄放。

Militiamen placed numerous caltrops on the road to let down enemy's tires.

民兵在马路上放置了许多铁蒺藜去扎敌人的轮胎。）这里let down表示放什么东西的气。

Some jokers have let down the back tyres of my car.

有人开玩笑把我汽车后轮胎的气放掉了。

The single-pass Fischer-Tropsch synthesis with N_2-containing syngas thatwas produced from CH_4-Air-CO_2-H_2O reaction was also studied in fixed-bedreactor in this paper.

论文还采用由模拟抽放煤层气经CH_4-Air-CO_2-H_2O 反应制备的含有大量N_2 的合成气为原料，在固定床反应器上开展了原料单程通过的Fischer-Tropsch合成制液态烃的研究工作。

In gas chromatography analysis of space at the top of the method is typically used to analyze folding carton and was placed in informationitive-like sample vial heat place that analysis of the ammomium coal gasification and enters the top space, then the procedure that is described earlier in the testing process.

在气相色谱分析法中，顶部空间分析的方法通常用于分析折叠纸盒，被测度样放入样品小瓶中进行加热，使被分析的单体气化并进入顶部空间，随后的过程与前面所描述的测试过程一样。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。