In any fluid handling system, valves are the controlling element: starting or stopping flow, regulating or throttling flow, preventing backflow, or relieving and regulating pressure.
在任何流体处理系统中，阀门是作为控制装置：启动或停止流体流动，对流体进行调节或节流，防止倒流，或释放和调节压力。
When the protected system overpressure, blasting sheet along the weak link tensile failure, relieving pressure, thus plays a role in protection.
当被保护系统超压时，爆破片沿薄弱环节拉伸破坏，泄放压力，从而起到保护作用。
When the protected system overpressure, blasting sheet along the weak link tensile failure, relieving pressure, thus plays a role in protection.
当被保护系统超压时，爆破片沿薄弱环节拉伸破坏，泄放压力，从而起到保护作用。
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