A.100kPa B.450kPa C.500kPa D.800kPa
A.10s B.13s C.15s D.20s
A.白色 B.綠色 C.紅色 D.淡黃色
A.12mm B.13mm C.14mm D.15mm
A.7km/h B.8km/h C.9km/h D.10km/h