英语词汇“a heart of stone/flint”的翻译、意思、用法、释义-英汉汉英双解词典

单词	a heart of stone/flint
释义	a heart of stone/flint 铁石心肠的人感情
随便看	self-operated business self operated control self-operated control selfoperated controller self operated controller self-operated controller self-operated control valve self-operated differential pressure regulator self-operated differential pressure valve self-operated flow control valve self-operated flow regulator self-operated level regulator self-operated measuring unit self-operated pressure control valve Self-operated pressure regulating valve self-operated pressure regulator selfoperated regulator self operated regulator self-operated regulator self-operated temperature regulator self operated thermostatic controller self-operated thermostatic controller self-operated thermovalve self-operated valve self-operate logistics