coupled (linked)switch,deck switch,gang switch
Air Switch，Air-break Switch
switch on and switch off
switch point；point tongue；switch rail；tongue rail；blade
whippletree switch whiffletree switch
account receivable aggradation
activity for molecular aggregation
adaptive cost aggregation
adenosine diphosphate-induced platelet aggregation
Aggradation
填积
聚合
骨材
加积
积夷作用
淤积
填积作用
聚集
坡度增高
右积作用
增坡作用
浮土
集合体
沉积
浸渍法
沉积物
河床升高
Aggradation and Degradation
aggradation and degradation in the reservoir region