cogging effect嵌齿效应
cogging force齿槽力
Cogging Down开坯
hammer cogging锻造开坯
cogging joing齿状连接
flywheel cogging切割飞轮齿圈
cogging shop开坯车间
roll cogging在初轧机上轧制
cogging caulking开跨接
Results show that cogging using concave anvil can increase the deformation at the center part of the billet and can press holes more effectively.
实验结果表明，利用凹面砧拔长，锻件心部能够获得更大的变形量，对空洞的压合效果更好。
参考来源 - 凹面砧拔长工艺研究N-COUNT（可数名词） A cog is a wheel with square or triangular teeth around the edge, which is used in a machine to turn another wheel or part. 齿轮
PHRASE（习语） If you describe someone as a cog in a machine or wheel, you mean that they are a small part of a large organization or group. (大型机构或组织中的)小人物 [v-link PHR]
Mr. Lake was an important cog in the republican campaign machine.
雷克先生是共和党竞选机器中一个小人物，但却发挥了重要作用。
N-COUNT（可数名词） a tenon that projects from the end of a timber beam for fitting into a mortise (木工)凸榫