A.1s-3s;3s-6sB.2s-3s;4s-6sC.3s-5s;4s-7sD.5s-7s;3s-5s
A.物料厚度B.物料颜色C.振动输送设备的振动D.外界光线
A.1.1464%B.1.146%C.1.15%D.1.1%