• 2021-04-14
    偏置曲柄滑块机构中,曲柄AB为原动件,其长为20 cm,且逆时针匀速转动。又知连杆长BC为1500px,滑块行程速比系数K=2,则滑块行程s为 ( )。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201705/a1241c2028e64c8f9eef8dc7ed1dc08e.jpg