penpoint

英['penˌpɔɪnt] 美['penˌpɔɪnt]
  • n. 笔尖
1. The penpoint fracture is main due to non-metallic inclusions and center segregation.
笔尖状断裂主要由非金属夹杂和中心偏析造成;

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2. The penpoint fracture is main due to non-metallic inclusions and center segregation.
笔尖状断裂主要由非金属夹杂和中心偏析造成;

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