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煤的岩石组成
释义
煤的岩石组成
Encyclopedia
理学
煤岩学
释
macroscopic petrographic constituent of coal
煤的岩石组成
肉眼观察可区分出的各种煤岩组分和宏观类型。
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abrasive belt
abrasive belt grinding
abrasive belt grinding machine
abrasive compound
abrasive finishing machine
abrasive flow machining technology
abrasive fluid polishing
abrasive hardness
abrasive materials
abrasive resistance of fishing rope
abrasive resistance of fishnet twine
abrasives and abrasive products
abrasive water jet cutting
abrasive waterjet perforation
abrasive wear
abrator
A. Bravais
A. Bravais (1811—1863)
A Brave and Clever Widow
A Brave Girl
A Brave Mother
A Brave Old General
A Break for Khitay Hunting
ABRES
abreuvage
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