A.90%穿孔 B.95%穿孔 C.98%穿孔 D.100%穿孔
A.螺紋設(shè)計(jì)長(zhǎng)度+3mm B.螺紋設(shè)計(jì)長(zhǎng)度+5mm C.螺紋設(shè)計(jì)長(zhǎng)度+8mm D.螺紋設(shè)計(jì)長(zhǎng)度+10mm
A.螺栓設(shè)計(jì)伸出長(zhǎng)度+3mm B.螺栓設(shè)計(jì)伸出長(zhǎng)度+5mm C.螺栓設(shè)計(jì)伸出長(zhǎng)度+8mm D.螺栓設(shè)計(jì)伸出長(zhǎng)度+10mm