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- Petroleum and natural gas industries - Subsurface safety valve systems - Design, installation, operation and redress. 水下安全阀系统-设计、安装、操作和矫正。
- Subsurface controlled subsurface safety valve 井下控制井下安全阀
- Recommended method for design, installation, repair and operation of subsurface safety valve system 井下安全阀系统的设计、安装、修理和操作的推荐做法
- Recommended practice for design, installation, repair and operation on subsurface safety valve system 井下安全阀系统的设计、安装、修理和操作的推荐作法
- Petroleum and natural gas industries; subsurface safety valve systems; design, installation, operation and repair 石油和天然气工业。地下安全阀系统。设计、装配、操作和修理
- subsurface safety valve 井下安全阀
- 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。
- SAFETY VALVES FOR HEATING INSTALLATIONS. 取暖设备用安全阀。
- 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。
