The fuel supply system to an automatic auxiliary boiler will be automatically shutdown if

职业资格 公共英语 已帮助 人

The fuel supply system to an automatic auxiliary boiler, will be automatically shutdown if the boiler _____.

A.salinity is abnormally high

B.steam demand is too high

C.water level is abnormally low

D.feedwater flow is low

请帮忙给出正确答案和分析,谢谢!

热搜:medline数据库中to字段是表示非英文文献的原文题名