common components短语⁶²⁹⁰⁴ 基本例句 通用组件 Volatile oils extracted by both methods had similar compound composition and physicochemical properties but differed in the relative contents of their common components. 与水蒸气蒸馏法相比，挥发油的成分种类和理化性质接近，但相对含量存在一定差异。124.205.222.100