“适合性”的英语？

“适合性”的拼音为：shì hé xìng...

他们指出了把冶金工业采用的断裂标准应用于增强塑料的不适合性.They point out inadequacies in applying criteria developed from metallurgical practice to reinforced plastics.呼吸器与使用者脸部的适合性(适配行)是非常重要的.Fit of the respirator to the face is very important.只有供...