The relation between hoop strain and radius-directional pressure was set up based on the theoretics of mechanics of materials.
根据材料力学理论建立了活塞环环向应变与径向压力之间的关系式。
Delicate elegance, these oval diamond hoop earrings are set in 18k white gold showcasing petite round diamonds throughout, the perfect finishing touch to any ensemble.
精致高雅，这些椭圆形的钻石耳环箍，载于18K白金钻石展示整个娇小轮，完美的画龙点睛任何合奏。
Delicate elegance, these oval diamond hoop earrings are set in 18k white gold showcasing petite round diamonds throughout, the perfect finishing touch to any ensemble.
精致高雅，这些椭圆形的钻石耳环箍，载于18K白金钻石展示整个娇小轮，完美的画龙点睛任何合奏。
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