您要查找的是不是：
- external safety valve 外安全阀
- The safety valve of his anger opened. 他控制怒火的安全阀打开了。
- Sanitary water pressure tank safety valve. 卫生水压力柜安全阀。
- The safety valve must be put here. 这里必须安装安全阅。
- The safety valve test of control air bottle. 控制空气瓶安全阀试验。
- Technical demand for marine boiler safety valve re. 船用锅炉安全阀修理技术要求。
- The aux. Air bottle safety valve to be submitted. 副空气瓶安全阀提交。
- Safety valve to be pressure tested. 安全阀应做压力试验。
- Wit is the best safety valve modern man has evolved. 机智是现代人所发展出来的最佳安全阀。
- Originally it was the safety valve for a hydraulic plant. 它最早是一家水电厂的安全闸阀。
- Safety valve adjusting and accumulating test for auxiliary boiler. 辅锅炉安全阀检验及蓄压试验。
- The safety valve of boiler F.O. Pump to be submitted. 锅炉燃油泵安全阀提交。
- Check the safety valve before you buy or use a pressure pot. 挑选使用高压锅时，一定要注意它的安全阀。
- One-way safety valve controls flow and prevents reflux. 单向安全阀控制流量，防止回流。
- SAFETY VALVES FOR HEATING INSTALLATIONS. 取暖设备用安全阀。
- The object of providing the safety valve is to allow excess pressure to escape. 装备安全阀是为了让过高的压力外逸。
- Exercise is a good safety valve for the tension that builds up at work. 锻炼身体是排解工作压力的好办法。
- Please check whether the open pressure of safety valve is in good condition. 请检查安全阀的开启压力是否正常。
- Responsible the certification of the pressure vessel and safety valve. 负责压力容器和安全阀。
- Selection of a higher temperature when the safety valve with radiator. 温度较高时选用带散热器的安全阀。
