單項(xiàng)選擇題
A.10 B.15 C.20 D.25
A.5~6mm B.6~9mm C.6~10mm D.5~8mm
A.15mm B.16mm C.18mm D.20mm
A.(43±2)mm B.(43±5)mm C.(43±6)mm D.(43±10)mm
A.90mm B.100mm C.110mm D.130mm
A.35mm B.40mm C.45mm D.50mm
A.過盈緊配合 B.過盈松配合 C.間隙配合 D.過渡配合
A.20° B.30° C.40° D.50°
A.≥60% B.≥65% C.≥70% D.≥75%
A.1:6 B.1:8 C.l:10 D.1:12
A.4對(duì) B.6對(duì) C.8對(duì) D.12對(duì)