36.所謂無塵(dust free或 dustless)的alginate,主要是加入下列何物?
(A)Organic glycols
(B)NaCl
(C)Borates
(D)Quaternary ammonium salts
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統計: A(1138), B(35), C(188), D(216), E(0) #1152085
統計: A(1138), B(35), C(188), D(216), E(0) #1152085