单词	pitch cylinder
释义	pitch cylinder noun : a cylinder that constitutes the pitch surface of a spur gear Word History Etymology pitch entry 4
随便看	burthensome Burton Burton-ail burtoning burtonize burtons buruly entoprocts entoptics entorhinal entosarc entosclerite entosphenal entosterna entosternal entosternite entosternum entothorax entotic Entotrophi entourage entourages entozoa entozoans entozoon

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