A.50±2℃ B.62±2℃ C.58±2℃ D.65±2℃
A.接觸面寬度,進氣門1.8~2.2mm,排氣門2~2.3mm B.接觸面寬度,進氣門1.5~2.2mm,排氣門2~2.5mm C.接觸面寬度,進氣門1~1.5mm,排氣門1.5~2.2mm D.接觸面寬度,進氣門0.8~1mm,排氣門1.5~2mm
A.敲擊法 B.光照法 C.水壓試驗 D.目測法