balanced draft meaning in Chinese

均衡通风
平衡通风

Balanced draft sampling
平衡吸气取样
Boiler : subcritical , intermediate reheat , double u flame balance draft . controlled coal firing circulation drum type boiler with a rated evaporating capacity of 1081 . 2t . h manufactured by spain b w company using technologies form stein , france
锅炉：西班牙b w公司采用法国stein公司技术生产的亚临界中间再热w型火焰平衡通风控制循环燃煤汽包炉。
The boiler for phase l projecf is of subcritical parameter intermediate reheat single combustion chamber double u flame balance draft dry bot - tom furnace and controlled circulation , which adopt the technique of stein com - pany of france , and is produced by b w company of spain
电厂锅炉采用法国stein公司技术，西班牙b w公司生产的w型火焰亚临界中间再热控制循环汽包炉。