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n.笔尖;钢笔笔尖;(文学批评术语)清晰,准确
1、my penpal───我的笔友
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;
2、penpoint fracture and breaking on the early course of drawing are caused by shrinkage void inside the rod;───断口呈笔尖状,在拉拔早期发生断裂是由于内部存在缩孔缺陷所致;
1、The penpoint fracture is main due to non-metallic inclusions and center segregation.