面缩 meaning in Chinese
reduction of area
Examples
- Ltd . . a coupled vibration method on suspended free poles is employed to determine the initial young ' s modulus at elevated temperatures , also the thermal expansion coefficients of fire - resistant steel
通过高温下的恒温加载拉伸试验，得到不同温度下耐火钢的屈服强度、极限强度、延伸率、面缩率和应力应变关系，并测定高温下耐火钢的热膨胀系数，采用悬丝耦合共振法测定高温下耐火钢的初始弹性模量。