Some people also make lanterns out of big orange pumpkins. They cut shapes for the eyes, the nose and the sharp teeth.
一些人也用橙色的大南瓜做灯，在南瓜上刻出眼睛、鼻子和尖牙的形状。
The accurate theoretic analysis, numerical simulation and measuring test of slip element were very difficult for oil packer systems because of the sharp teeth.
由于封隔器卡瓦的尖齿结构，使卡瓦的理论分析、数值模拟分析和试验测试研究等都非常困难。
The accurate theoretic analysis, numerical simulation and measuring test of slip element were very difficult for oil packer systems because of the sharp teeth.
由于封隔器卡瓦的尖齿结构，使卡瓦的理论分析、数值模拟分析和试验测试研究等都非常困难。
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