卡车等装运货物车辆的车厢后面及左右的拦板。《人民日报》1960.2.5：“用力把车朝天竖起，拉开挡板，砂石料才会倒在皮带机旁边。”

1.guard; back plate; baffle; damper screen; retainer; baffle plate; baffler; dam board; bumper; parting; partition; blind bumper plate; repelling; board; siding; splash board