65 沒食子含大量之下列何種成分,可作為收斂劑及應用於皮革工業?
(A) Caffeic acid
(B) Tannic acid
(C) Chicoric acid
(D) Diphenic acid
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統計: A(49), B(4590), C(167), D(34), E(0) #411736
統計: A(49), B(4590), C(167), D(34), E(0) #411736