A.0.1~0.2mm B.0.2~0.3mm C.0.3~0.5mm D.0.5~0.7mm E.0.7~1.00mm
A.瓷粉與合金的熔點應一致 B.瓷粉比合金的熔點高170~270℃ C.瓷粉比合金的熔點低170~2700℃ D.瓷粉比合金的熔點高70~170℃ E.瓷粉比合金的熔點低70~170℃
A.點狀 B.面狀 C.可離開0.1~0.15mm D.緊密接觸 E.表面粗糙清潔