n. 清潔;潔白 cleanout plug body: [鐵路] 清洗堵體 cleanness factor: 潔系數(shù) cleanout valve: [鐵路] 清洗閥 cleanlinesses: n. 清潔 cleanouts: [網(wǎng)絡(luò)] 清除口;灰箱;清洗口 下載手機詞典可隨時隨地查詞查翻譯