常见例句双语例句The experimental result shows that the influence of vent cowl on coke descending is regional, there is little effect on coke smooth descending.实验结果表明，风帽对焦炭下降的影响是区域性的，对焦炭下降的顺畅性影响较小。web.cikd.cnki.net 返回 vent cowl