字典網>> 英漢字典>> N開頭詞條>>nonreturn valve的意思 漢英字典nonreturn valve中文翻譯：【機】 止回閥nonreturn valve nonreturn valve相關詞條：nonreturn-to-zero change on one nonreturn-to-zreo inverse nonreturn-to-zero inverse nonreturn-to-zero nonreturn-to-zero mark nonreturn-to-zero indicating nonreturn-to-reference nonreturn-to-zreo mark Nonreturn to Zero