natural gas occurrence的意思|示意
美 / /
英 / /
天然气赋存
natural gas occurrence的网络常见释义
天然气藏 ... image postprocessing technique 图像处理 natural gas occurrence 天然气藏 division of risk degree 危险性分区 ...
natural gas occurrence相关短语
1、 Occurrence of natural gas 天然气产状
natural gas occurrence相关例句
Occurrence: Helium comes from natural gas, deposits within Earth, and can be isolated from air.
存在：氦存在于自然大气中，在土壤中沉积，而且能从空气中分离出来。