单词	空心金属支柱
释义	空心金属支柱 hollow prop
随便看	alternative withdrawal proceduer alternative withdrawal procedure alternative working mode alternative work schedules alternative wrap around guided-bend test alternativism alternativist alternativists alternativity alternativo Alternatiwe splicing Alternatlng Resistance alternator alternator armature alternator armature winding alternator construction alternator control alternator controller alternator factor alternator field voltage alternator field winding alternator generation Alternator output display and protection system alternator overcurrent alternator performance parameter