acidity characteristics
acid-base surface characteristics
acid production characteristics
Accuracy characteristics
Accumulative characteristics
accumulation distribution characteristics
accumulation characteristics
富集特征
堆积特性
积累特性
积累特征
成藏特征
积累规律
重金属积累特性
accumulating characteristics
Accumlation characteristics
accident characteristics
acceleration vibration characteristics
acceleration characteristics
academic characteristics
AC system loss characteristics