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。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。