A.20≤L3≤30mm B.20≤L3≤25mm C.22≤L3≤30mm D.30≤L3≤32mm E.30≤L3≤33mm
A.205-5mm B.205+5mm C.160-2mm D.160+2mm E.150mm
A.輪徑>840mm,長(zhǎng)度≤30mm,深度≤0.25mm B.輪徑<840mm,長(zhǎng)度≤25mm,深度≤0.25mm C.輪徑≤840mm,長(zhǎng)度≤25mm,深度≤0.25mm D.輪徑>850mm,長(zhǎng)度≤30mm,深度≤0.25mm E.輪徑<850mm,長(zhǎng)度≤25mm,深度≤0.25mm