其制作材料是软木，看起来像是云杉。It was made of soft lumber, spruce by the look of it.冷杉 、 云杉和松树都是针叶树.Firs, spruces and pines are conifers.我跟在他的后面, 穿过一片潮湿的云杉树林,来到一片开阔的峭壁前.Following in his steps, I passed through damp spruce woods to an ...
钾质白云母是铅锌银矿床中的主要热液蚀变矿物,通常表现为白云母化、绢云母化、伊利石化.Potash micatization is one of the main hydrothermal alteration minerals genetically related to the lead - zinc - silver deposit.康山金矿田围岩蚀变主要为硅化 、 绢云母化、碳酸盐化及黄铁矿化.The main wall rock...