您要查找的是不是：
- Originally it was the safety valve for a hydraulic plant. 它最早是一家水电厂的安全闸阀。
- 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。
- DDC-JQ electro-vacuum charging valve is a safety valve for vacuum, pump. DDC-JQ型电磁真空带充气阀是机械真空泵安全阀，安装于机械真空泵的进气口，并与泵同步开启和关闭。
- SAFETY VALVES FOR HEATING INSTALLATIONS. 取暖设备用安全阀。
- Electro-vacuum Charging Valve DDC-JQ electro-vacuum charging valve is a safety valve for vacuum, pump. DDC-JQ型电磁真空带充气阀是机械真空泵安全阀，安装于机械真空泵的进气口，并与泵同步开启和关闭。
- DDC-JQ Electro-vacuum Charging Valve DDC-JQ electro-vacuum charging valve is a safety valve for vacuum, pump. DDC-JQ型-电磁真空带充气阀 DDC-JQ型电磁真空带充气阀是机械真空泵安全阀，安装于机械真空泵的进气口，并与泵同步开启和关闭。
- Technical demand for marine boiler safety valve re. 船用锅炉安全阀修理技术要求。
- Cryogenic vessels - Safety devices for protection against excessive pressure - Part 1: safety valves for cryogenic service. 冷凝容器。防超压安全设施。第1部分:冷凝设备的安全阀。
- Downhole safety valve for offshore holes 海上油井井下安全阀
- Hydraulic safety valve for automobiles 汽车液压安全阀
- primary safety valve for inner container 一级安全阀
- safety valve for excess boiler pressure 安全阀
- Safety valve adjusting and accumulating test for auxiliary boiler. 辅锅炉安全阀检验及蓄压试验。
- Would you mind open that valve for us? 劳驾为我们打开那个闸门好吗?
- Stop: Shut off the valve for the suction pipe. 停机：1、关闭吸入管阀门。
- Use patented valve for high paste.Never pasted. 使用高黏度专利之阀门，永不黏死。
- 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。
