單項(xiàng)選擇題
A.0~50% B.0~60% C.0~80% D.0~100%
A.100℃~150℃ B.120℃~150℃ C.140℃~160℃ D.140℃~170℃
A.R1 B.R2 C.R3 D.一樣大
A.70mg/L B.100mg/L C.120mg/L D.150mg/L
A.0.05MPa B.0.06MPa C.0.07MPa D.0.08MPa
A.0.2MPa B.0.25MPa C.0.3MPa D.0.35MPa
A.8mm B.10mm C.12mm D.15mm
A.4mm B.5mm C.5.5mm D.6mm
A.4m B.4.5m C.5m D.6m
A.1600mm B.1700mm C.1800mm D.1900mm
A.30mm B.35mm C.40mm D.45mm