rason

rason

1. The failure rason of firetube waste heat boiler in a petrochemical device was analyzed from equipment structure and operation.The repair process and attentive events were in-troduced.

从设备结构和操作使用两方面，分析了某石化装置中火管式废热锅炉的损坏原因。介绍了该锅炉的修复过程及修复时应注意的事项。

2. The main rason of leading to overhigh hydrogen content was insufficient anneal after forged.

导致氢含量过高的原因可能在于锻后退火不足。

3. This is the rason why we are here.Learn new languaje.

我的简历: I can help you and you can help me.

4. The rason for this is that the song is cut immediately on to a metal disc,which is used to make the plastic records.

这样处理可使歌曲直接剪辑(???)到金属盘上，这个盘是用于制作塑料唱片(???)的。