High foundation with wide application scope.
基座高、使用范围广。
Hot running phenomenon is high temperature coal gas exports, beyond the prescribed scope.
热运转现象是煤气出口温度过高，超出了规定范围。
Soft airproof main valve can obtain high airproof in the scope of over 95% lift pressure.
软密封的主阀瓣能在95%以上的开启压力范围内获得高密封度。
Soft airproof main valve can obtain high airproof in the scope of over 95% lift pressure.
软密封的主阀瓣能在95%以上的开启压力范围内获得高密封度。
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