A.黑 B.綠 C.紅 D.藍
A.置換焊補、帶壓置換焊補 B.置換焊補、帶壓不置換焊補 C.大電流焊補、帶壓不置換焊補 D.置換焊補、帶料焊補
A.4.8~93% B.2.8~93% C.2.8~73% D.2.9~93%