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- Ball type tubing safety valve 油管球形安全阀
- tubing safety valve 井下控制油嘴
- The ball type paraffin removal unit has low reliability in moving; while the tooth type unit has the disadvantages of teeth being apt to break and causing damage of tubing inwall. 球型清蜡器的主要缺点是运动的可靠性差,一旦钢球丧失锁紧功能,将失去“步进足”的作用;而齿型清蜡器的步进齿易破损及齿尖易刺伤油管内壁。
- The safety valve of his anger opened. 他控制怒火的安全阀打开了。
- A gate or ball type valve can be used or the isolation valve can be installed further upstream. 可以采用闸阀或球阀,或者可以将隔离阀安装在更上游的地方。
- 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。
- Two independent check valves with intermediate relief valve. Supplied with shutoff valves and ball type test cocks. 两个独立的止回阀配置中间安全阀。配置关闭阀和球型测试旋塞。
- 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。
- The assembly shall include two resilient shutoff valves and four ball type test cocks and a hydraulically balanced bypass line. 这种总成应该包括两个弹性阀座关闭阀和四个球型测试旋塞,以及一个液压平衡旁路管线。
- Originally it was the safety valve for a hydraulic plant. 它最早是一家水电厂的安全闸阀。
- Some existent researches mostly focus on pulverizer, not on the ball type pulverizer system. 已有的一些研究重点多集中在钢球磨,对制粉系统的研究不够。
- The assembly shall include two resilient seated shutoff valves &four ball type test cocks. 这种总成应该包括两个弹性阀座关闭阀和四个球型测试旋塞。
- Safety valve adjusting and accumulating test for auxiliary boiler. 辅锅炉安全阀检验及蓄压试验。
- Corrosion failure case of U type tube in carbon steel heat exchanger has been analysised by means of XRD,EPMA and electrochmistry methods. 用电化学方法和金属电子显微分析技术,对碳钢换热器U形管高温区腐蚀失效原因进行了分析。
- The safety valve of boiler F.O. Pump to be submitted. 锅炉燃油泵安全阀提交。