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wood ash
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[木材性质]
释
wood ash
木材灰分
木材燃烧后残留的无机成分。主要为钾、钙、镁、硅等的氧化物。
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Fredrick Mbiti Mati
Fredric Marc
Fredrik Ljungström
Fredrikstad
Fred Schaefer
Fred Wah
Fred W. Riggs
Fred Wudl
free
free Abelian group
free action
free-air anomaly
free air carbon dioxide enrichment experiment
free air carbon dioxide enrichment systerm
free air correction
free-air correction
free-air correction of marine gravity
free air gravity anomaly
free-air gravity anomaly
free algebra
free algebraic system
free amino acid pool of aquatic livestock
Free and Easy Wandering
Free and Imperial Cities
free approximation
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