I appreciate that I live in the era of industry-wide in all material changes.
我赞赏我所处的这个时代在物质界域里的一切变化。
In the process of society changes, their material and spiritual life changes too.
在社会变迁的过程中，他们的物质生活及精神生活也发生了变迁。
The reason for changes of raw material for sulphur acid production in China is analyzed.
分析我国硫酸生产原料结构变化的原因。
The reason for changes of raw material for sulphur acid production in China is analyzed.
分析我国硫酸生产原料结构变化的原因。
应用推荐