bent tube boilerbent-tube boiler弯: curved; bent; crooked; flexu ...管式锅炉: tubular boiler单管式锅炉: monotube boiler多管式锅炉: multitubular boiler管式锅炉: tube boiler; tube-type boiler; tubular boiler下载手机词典可随时随地查词查翻译
