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1·It is not unusual to see a striper 's dorsal fin whizzing past you while casting in knee deep water.

这不是不寻常的看到一个变色的背鳍驰驱，过去你而铸造的膝盖深的水。

2·Variation of striper force and clearance between punch and die plate with respect to shear plane and die stress were analyzed.

分析了不同压边力和凸凹模间隙对精冲断面质量和模具应力的影响关系。