常見例句雙語例句If ventilation is not adequate, use respiratory protection equipment.如果空氣流通不夠，使用呼吸保護裝置。oiyanzheng.blog.163.comISI offers a wide selection of high-performance, timesaving respiratory protection equipment, as well as thermal imaging cameras that employ the most advanced features in the industry.ISI為客戶提供非常廣闊的高性能、省時的呼吸保護設(shè)備，也提供工業(yè)領(lǐng)域中使用的高性能熱像設(shè)備。www.beijing-tech.com 返回 respiratory protection equipment