常見例句雙語例句Insulators and fittings for overhead lines. Metal fittings. Sealing arm (BS).架空線路用絕緣子和配件。金屬配件。密封臂（BS）Insulators and fittings for overhead lines. Metal fittings. Galvanized square tubes (TG).架空線路用絕緣子和配件。金屬配件。鍍鋅方琯（TG）Insulators and fittings for overhead lines. Metal fittings. Double-stop conductor arrangement (AD).架空線路用絕緣子和配件。金屬配件。雙制動導(dǎo)線配置（AD） 返回 metal fittings