Howdenˈhaʊdən高 基本例句 n.豪登¹⁰⁰ The design features of HOWDEN VNT type stationary sealed air preheater, such as stationary seal system, double seals, driven system and bearings etc. are described. 介绍 HOWDEN VNT型固定密封空气预热器的设计特点，如固定式密封系统、双重密封、驱动系统和轴承等。 ilib