seam composition的意思

seam composition中文翻譯：

煤層組成

相似詞語短語

seam───n.縫；接縫；vi.裂開；產生裂縫；vt.縫合；接合；使留下傷痕

composition───n.作文，作曲，作品；[材]構成；合成物；成分

incongruous composition───不協調成分

composition calculator───作文計算器

composition notebook───作文筆記本

composition book───<英>寫作指導書，<美>作文練習簿

composition function───[數]復合函數

basaltic composition───玄武質成分

line composition───n.生產線組成

雙語使用場景

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.───煤礦作為礦山的一種，是一種特殊的地理區域，規模龐大，面積較廣，地質條件和煤層賦存條件差別很大。

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.───煤層上覆巖層組成、長壁回采工作面覆巖活動規律、煤層埋藏深度作為淺埋煤層開采界定指標，論證了指標合理取值。

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 .───本文著重闡述了軟弱夾層的物質組成、結構特性及其在長期滲水作用下的化學溶失作用和變化趨勢。

英語使用場景