A.絕緣膠帶 B.耐高溫錫 C.耐高溫膠帶 D.防水膠帶
A.保持平穩(wěn),且與焊錫適當(dāng)?shù)慕佑| B.保持平穩(wěn),且被焊錫侵沒 C.隨意放入,且要與焊錫適當(dāng)接觸 D.先放入非焊錫面
A.1S B.2S C.5S D.2-3S