短语词组短语car sill [车辆]轿厢地坎Floor Sill [矿业]木底座;地面门坎;钻台底梁;木底座side sill 侧梁;门槛安装支架;下纵梁;车身门槛mud sill 下槛;泥槛;排架座木;底基ground sill 地槛;床栏main sill 纵梁;钻台主基木;纵梁垫木sill anchor 槛锚;地脚螺栓sill stop 地坎挡块sill edge 地坎边缘window sill 窗台板，窗盘door sill 门槛；门坎 返回 sill