There are three metallogenic conditions which are material source, ore-fluid channelway and metallogenic location for the formation of gold ore deposits.
金矿床的形成应具备物质来源、矿液通道及成矿场所三个条件。
2
Try different tactics until you can turn off worry the way you change a TV channel.
就像切换电视频道一样，你需要随时转变策略直到解决担忧这个问题。
3
Since everything from refrigerators to oil is shipped through this channel on the way to the Suez Canal, the rising costs of transport and insurance will be passed on to us.