Like in case of human body, in industry too, the valves play a very vital role, be it transportation of drinking water, or control of ignition in a rocket engine.
就像人体的情况下，行业也是这样，阀门起到非常重要的角色，无论是运输饮用水，或在火箭发动机点火控制。
Like in case of human body, in industry too, the valves play a very vital role, be it transportation of drinking water, or control of ignition in a rocket engine.
就像人体的情况下，行业也是这样，阀门起到非常重要的角色，无论是运输饮用水，或在火箭发动机点火控制。
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