题目内容
（请给出正确答案）
A、气动薄膜调节阀pneumatic film regulating valve
B、自力式调节阀self-regulating valve
C、角式节流阀Angle throttle valve
D、他力式调节阀Other force type regulator
简答题官方参考答案
（由简答题聘请的专业题库老师提供的解答）
更多“输气站主要采用Gas transmission station mainly used（）”相关的问题
A、detached
B、aware
C、selfish
D、prudent
A、He does not sympathize with his characters
B、He likes describing violent scenes
C、He cares much about world peace
D、He is a mentally disturbed author
A、感测压力元件由原来的粗弹簧变为压力传感器(即先导阀)，从而提高阀的灵敏度和精度。The pressure sensor changes from the original coarse spring to the pressure sensor (i.e., the pilot valve), thus improving the sensitivity and accuracy of the valve.
B、采用笼式套筒阀芯和软密封结构，从而确保阀芯起跳后正确复位和密封好，克服了弹簧式安全阀关闭不严导致长期泄漏及过量排放等问题。Cage-type sleeve valve core and soft seal structure are adopted to ensure that the valve core is properly reset and sealed after take-off, thus overcoming the problems of long-term leakage and excessive discharge caused by the loose closing of spring safety valve.
C、安全阀泻放的气体应引入同级别压力的放空管线中，送到放空竖管排入大气。Relief valve discharge gas should be introduced into the same level of pressure of the vent line, sent to the vent riser into the atmosphere.
D、以上都不对
压缩机组系统Compressor unit system 主要使用燃气轮机机组，包括多种辅助系统The main use of gas turbine units, including a variety of auxiliary systems： 润滑油、启动、燃料、压缩机密封、天然气冷却、运行可靠性保护等系统。Lubricating oil, start-up, fuel, compressor seal, natural gas cooling, operation reliability protection and other systems. 全压气站紧急停车时，必须紧急截断，把站内所有工艺管网及阀组天然气放空，同时切换为越站流程。In case of emergency shutdown of full pressure gas station, it is necessary to cut off the gas in all process pipelines and valve groups in the station, and switch to the process of crossing the station at the same time.
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