anthracology

常见例句

• Anthracology Character and Process Property of Non- Caking Coal and Long Flame Coal in Northeast Region
  西北地區不粘煤、長焰煤煤巖特征及某些工藝性質
• Keywords non-caking coal;long flame coal;anthracology character;stage of metamorphism;northeast region;
  關鍵詞不粘煤;長焰煤;煤巖特征;變質堦段;西北地區;
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