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Control valves for the power industry resistance to high temperature and high pressure is the highest of demands.
电力行业对控制阀耐高温和耐高压的要求是最高的。
youdao
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Control valves for the power industry resistance to high temperature and high pressure is the highest of demands.
电力行业对控制阀耐高温和耐高压的要求是最高的。
youdao