Differential pressure across the grates should be on the order of 2to 3of water.
Differential pressure across the grates should be on the order of 2to 3of water.
通过锅炉的不同压力应该相当于2”至3”水压。
Differential pressure across the grates should be on the order of 2to 3of water.
通过锅炉的不同压力应该相当于2”至3”水压。