常见例句双语例句The utility model relates to a circulation drier, which comprises a nitrogen gas-holder, a sprinkling recovery tower, a refrigerator and a recirculation fan.本实用新型是一种循环式干燥装置。它含有氮气罐、喷淋回收塔、冷冻机和循环风机。ip.com 返回 tower drier