用钌、铬等金属作灯丝，的翻译：Ru, chrome and other metal filaments, 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Ruthenium, chromium and other metal filaments,

Ru, chrome and other metal filaments,

With metals and so on ruthenium, chromium makes the filament,

Chrome plated, etc. , with a statement made by metal filament.

Ru, chrome and other metal filaments,