常見例句雙語(yǔ)例句In this paper, the test method of the linear thermal expansion coefficient of.材料膨脹系數(shù)的選用對(duì)精密機(jī)械熱誤差修正的結(jié)果好壞有著決定性的影響。During the study we tried to lower the thermal expansion coefficient of cordierite by adding additives.在本研究中，還試圖通過添加外加劑來(lái)降低堇青石的熱膨脹系數(shù)。If the valve body material can be welded, but very different thermal expansion coefficient, or changes in operating temperature range of a larger thread junction closure weld must be honey.如果閥體的材料是可以焊接的，但膨脹系數(shù)差異很大，或者工作溫度的變化幅度范圍較大，螺紋連接部必須進(jìn)行蜜封焊。blog.sina.com.cn 返回 thermal expansion coefficient