knucklen.指关节;膝关节;肘形接头;铰链连接v.以指节压;屈从;开始努力工作
knuckle down to work安下心来工作
knuckle-pin center转向主销轴线与路面的交叉点
KNUCKLE INSTALLATION转向节安装
knuckle-lever drive肘杆传动
knuckle-lever press肘杆压力机
knuckle-level drive肘杆传动
knuckle-pin bracket叉节销托
knuckle bender splint指节屈曲器
knuckle-joint press关节压花机, 肘杆式压力机, 曲柄压力机
Knuckle down to sb.(向某人)屈服,认输