acetylene regulator中文,acetylene regulator的意思,acetylene regulator翻译及用法 2026-07-15 07:03 浏览次数 20 acetylene regulator英[əˈsetili:n ˈreɡjuleitə]美[əˈsɛtlˌin ˈrɛɡjəˌletɚ]乙炔调节器;煤表