运输畜禽的车辆，其车厢应符合的要求是（）The vehicle compartment used for transporting livestock and poultry must be ()A 完全密闭Completely sealedB 露天敞篷Open-toppedC 坚固通风防滑Sturdy, well-ventilated, and non-slipD 纯木质结构Made entirely of wood

运输畜禽的车辆，其车厢应符合的要求是（）The vehicle compartment used for transporting livestock and poultry must be () A 完全密闭Completely sealed B 露天敞篷Open-topped C 坚固通风防滑Sturdy, well-ventilated, and non-slip D 纯木质结构Made entirely of wood