A.10mm B.20mm C.100mm
A.8點(diǎn)以上/25mm×25mm B.12點(diǎn)以上/25mm×25mm C.16點(diǎn)以上/25mm×25mm
A.軸承座與軸承蓋 B.上瓦與下瓦 C.軸套之間