短語詞組短語Key words on -site supervision 改進建議;現(xiàn)狀turn -on key 翻譯;通鍵National Key Laboratory on Aero -Engines 航空發(fā)動機氣動熱力重點實驗室Key -blanks for door-locks on ships 船用門鎖鑰匙坯料 返回 key-on