A、0.15~0.20
B、0.20~0.25
C、0.25~0.30
D、0.30~0.35
A、0.25~0.3mm;0.3~0.35mm B、0.3~0.35mm;0.25~0.3mm C、0.30~0.35mm;0.35~0.45mm
A、进气门0.25-0.30mm,排气门0.30-0.35mm B、进气门0.30-0.35mm,排气门0.25-0.30mm C、进气门0.20-0.25mm,排气门0.30-0.35mm D、进气门0.15-0.20mm,排气门0.30-0.35mm
A、0.lmm B、0.3mm C、0.5mm D、0.7mm
A、0.3~0.35mm B、0.25~0.3mm C、0.35~0.45mm
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