G4 is the preferred chain for anchoring or windlass applications, and has twice the working load of BBB chain, so you can use a smaller size with the same strength.是什么意思_G4 is the preferred chain for anchoring or windlass applications, and has twice the working load of BBB chain, so you can use a smaller size with the same strength.在线翻译_英语_读音_用法_例句