The balloons must first be heated to regain their elasticity, which is robbed from them in storage by the -4 degrees Fahrenheit surface temperatures in the southern hemisphere's summer.
这些气球在使用前都要经过加热出来，以恢复弹性。即使是南半球的夏天，南极站附近的温度也只有- 4华氏度(- 20摄氏度)，气球都会冻得失去弹性。
The elasticity module of ADI is lower than that of steels, so that the surface contact stress borne by ADI gears during working process would be lower than steels.
奥贝球铁材料的弹性模量比钢小，因而奥贝球铁齿轮工作时受到的表面接触应力比钢齿轮小。
Character: favorable Credibility, condensability, soft and elasticity, high-thermal conductivity, nature viscosity, no need extra surface bond and meet the demand of the ROHS and UL.
特点优势：高可靠性、高可压缩性，柔软兼有弹性、高导热率、天然粘性，无需额外表面粘合剂、满足rohs及UL的环境要求。
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