applicants for approval to install outdoor advertising facilities shall keep the facilities clean tidy and in good condition and shall make replacements and repairs whenever necessary
申请批准设置户外广告设施的，应当保持户外广告设施整洁、完好，必要时应当进行更换、维修
以上为机器翻译结果，长、整句建议使用 人工翻译 。