acetylene regulator中文,acetylene regulator的意思,acetylene regulator翻译及用法 2026-05-05 12:04 浏览次数 15 acetylene regulator英[əˈsetili:n ˈreɡjuleitə]美[əˈsɛtlˌin ˈrɛɡjəˌletɚ]乙炔调节器;煤表