The production valve electrically operated installment and the electrically operated valve variety specification are complete.
生产的阀门电动装置和电动阀门品种规格齐全。
The master starting air valve can be operated both manually and electrically.
主启动气门可以手动或电动的方式启动。
The master starting air valve can be operated both manually and electrically.
主启动气门可以手动或电动的方式启动。
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