A.窩眼筒 B.長(zhǎng)方孔篩 C.圓孔篩 D.梯形孔篩
A.101.6mm B.76.2mm C.152.4mm D.76mm
A.早燃 B.點(diǎn)火提前角過(guò)大 C.點(diǎn)火提前角過(guò)小 D.發(fā)動(dòng)機(jī)稀燃技術(shù)