So unless you know the exact procedure for filling the tanks with either water or inert gas before you cut or weld on them, please avoid doing that.是什么意思_So unless you know the exact procedure for filling the tanks with either water or inert gas before you cut or weld on them, please avoid doing that.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句