boiler safety valve英语标准发音：boiler safety valve英式发音：美式发音：翻译中文锅炉安全阀boiler safety valve - 基本释义[词典1]锅炉安全阀boiler safety valve - WEB词典boiler safety valve锅炉安全阀安全阀Boiler r safety valve安全阀boiler drum safety valve锅炉鼓安全阀 参考资料： 1.百度翻译：boiler safety valve2.有道词典：boiler safety valve3.爱词霸：boiler safety valve
