preselected stop

同义词释义

1)preselected stop,预选光阑2)preset diaphragm,预选光阑3)preconcentration,预选4)Pre-concentration,预选5)forward selection,预选6)preelection,预选7)primary election,预选8)preselected threshold,预选门限，预选阈9)preselect,预选，预定，预选送10)preselector,预选器，预选装置