短语词组短語air cleanliness 空氣潔淨度surface cleanliness 表麪潔淨度;表麪清潔度inclusion cleanliness 夾襍物清結度fuel cleanliness 燃油清潔度Baseline cleanliness 基準清潔CleanlinESS S 清潔度Cleanliness detection 潔淨度檢測visible cleanliness [化學]可見純淨度 返回 cleanliness