“exhausting system”簡單造句，exhausting system造句子

"The non-oxidizing zone is consisted of entry sealed room, waste gas preheating zone, direct heating zone, and furnace nozzle and flue gas exhausting system. "

The air-exhausting system should be set on the roof, add integrate roof exhaust machine room, adopt concrete foundation, install the machine above the dissociate vibration cushion in order to reduce the influence of vibration and noise.