單項選擇題
A.>10B.<10C.4-7D.5-7
A.銅粉;鐵粉B.鐵粉;銅粉C.銅粉;液堿D.鐵粉;液堿
A.15B.16C.17D.20
A.粗硒B.碲化銅C.堿式碳酸銅D.氯化銀
A.聽、看、摸、聞、查B.聽、看、摸、聞、切C.望、看、摸、聞、測D.聽、看、摸、聞、測
A.78-82℃B.75-85℃C.78-80℃D.80-85℃
A.溫度達到170℃或壓力達到0.86MPaB.溫度達到170℃和壓力達到0.86MPaC.溫度達到175℃或壓力達到0.85MPaD.溫度達到175℃和壓力達到0.85MPa
A.1hB.1.5hC.30minD.50min
A.25B.31C.28D.35
A.Au<0.0005g/l、Ag<0.003g/l、Se≤0.1g/l、Te≤0.1g/lB.Au≤0.0005g/l、Ag≤0.003g/l、Se<0.1g/l、Te<0.1g/lC.Au≤0.0005g/l、Ag≤0.003g/l、Se≤0.1g/l、Te≤0.1g/lD.Au<0.0005g/l、Ag<0.003g/l、Se<0.1g/l、Te<0.1g/l
A.1mB.2mC.1.5mD.1.6m