seam composition发音

意思翻译

煤层组成

相似词语短语

seam───n.缝；接缝；vi.裂开；产生裂缝；vt.缝合；接合；使留下伤痕

composition───n.作文，作曲，作品；[材]构成；合成物；成分

incongruous composition───不协调成分

composition calculator───作文计算器

composition notebook───作文笔记本

composition book───<英>写作指导书，<美>作文练习簿

composition function───[数]复合函数

basaltic composition───玄武质成分

line composition───n.生产线组成

双语使用场景

The colliery, as one kind of the mine, is a kind of special geographical area, which is in large scale, wide area, big difference between geological condition and coal seam composition.───煤矿作为矿山的一种，是一种特殊的地理区域，规模庞大，面积较广，地质条件和煤层赋存条件差别很大。

reasonable definitional feature of shallow coal seam is analyzed base on the overlying strata's composition, the activity law long-wall mining'soverlying layers and the depth of coal seam.───煤层上覆岩层组成、长壁回采工作面覆岩活动规律、煤层埋藏深度作为浅埋煤层开采界定指标，论证了指标合理取值。

This paper mainly describes the mineral composition, structural behaviour of the weak seam in dam foundation, and its chemically solvent action and variation under long term infiltration of water .───本文着重阐述了软弱夹层的物质组成、结构特性及其在长期渗水作用下的化学溶失作用和变化趋势。

英语使用场景