single-phase safety plug with socket的意思|示意
美 / ˈsiŋɡlˈfeiz ˈseifti plʌɡ wið ˈsɔkit /
英 / ˈsɪŋɡəlˌfez ˈsefti plʌɡ wɪð ˈsɑkɪt /
单相保险插头座