参考答案:其作用是保持并列运行除氧器的压力、水位一致,使除氧器稳定运行。
When does auxiliary burner of rotary nozzle incinerator begin to work? ()
Ⅰ.hen igniting
Ⅱ.he sludge for dealing with is too much
Ⅲ.efore stopping incinerator
动脉粥样硬化的二维超声表现包括:
①动脉内膜增厚;
②粥样硬化斑块形成;
③溃疡形成;
④斑块内出血
我来回答:
最新试题