| 释义 |
structure change短语¹³¹⁶²⁰⁺³
基本例句
结构变化
Part change andstructure changewere two factors causing PFA evolution.Part change leading to PFA evolution was discussed in particular.产品族结构进化的因素包括零件变化和结构变化，重点研究了由于零件的变化而引起的产品族结构进化问题。
The structure alteration of the lignin treated with saturated steam is more than that heated in dry condition.与用水蒸气加热处理相比，在干燥条件下加热后木素结构变化相对较小。 |