您要查找的是不是：
- rapid closing safety valve 速闭安全阀
- quick closing safety valve 快闭安全阀
- 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。
- The Pacific tilting disc check valve uses gravity to rapidly close the disc upon reversal of flow. 美国太平洋翻转式阀瓣止回阀在出现逆流时利用重力迅速关闭阀瓣。
- 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。
- California pump prices are rapidly closing in on September's record high, when a gallon of regular unleaded peaked at $3.054. 在天然气价格创纪录的达到每加仑3.;054美元以后，加利福尼亚气站价格迅速达到九月以来的最高。
- The team barely made the playoffs last season, the window on Allen Iverson's career is rapidly closing and suddenly the team switches gears? 上个赛季，球队在季后赛无所作为，而艾弗森的职业生涯之窗在迅速关上，难道球队在换档？
- 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。
