No abnormity was found in the metallographical analysis and hardness test.金相和硬度分析未发现明显异常组织和硬度分布.The geometrical characteristics analysis of grain is the important base of metallographical analysis.晶粒的几何特征度量是金属性能分析的重要基础.T...
He was forty - five years of age, of medium height, fairly thick - set, not at all unprepossessing.他已经45岁, 中等身材, 矮矮胖胖的, 不完全是胸无城府的.a rather dumpy, unprepossessing servant相当矮胖，不讨人喜欢的仆人We found the tastiest and most imagina...