外部管道 meaning in Chinese
outer duct
Examples
- Standard test method for cathodic disbonding of exterior pipeline coatings at elevated temperatures using interior heating
用内部加热测定高温下外部管道镀层的阴极断接的标准试验方法 - Wolf ' s innovative new hood is available with either a re - circulating charcoal filter or alternatively can be externally ducted
创新式沃尔夫新型吸油烟机可使用循环式木碳过滤器或采用外部管道排烟。