They come equipped with safety relief valves and rupture disks to protect the cylinders from excessive pressure build-up.

它们配备有安全减压阀和破裂盘，以保护钢瓶，防止过多的压力积累。

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They come equipped with safety relief valves and rupture discs to protect the cylinders from pressure build-up.

它们配备有减压阀和破裂盘，以保护钢瓶，防止压力积累。

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They also are used for relief and by-pass functions; however, they should not be used as safety relief valves.

同时具有排放和旁通功能，不可作为安全泄压阀使用。

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