字典網>> 英漢字典>> N開頭詞條>>non-return flap valve的意思 漢英字典non-return flap valve中文翻譯：【化】 止回閥non-return flap valve字典網字典網相關詞條：non-linear polymer non-screen film non-cohesive gold non-operating rpofit and loss nonadecane nonappellable non-superimposable mirror image non-interest-bearing and free of charge account noninductive capacitor non sequitur