A-A+
If a fire occurs in the boiler room because of
问题详情
If a fire occurs in the boiler room because of a leaking fuel line to a burner, you shut off the fuel using the .
A.burner valve
B.root valve
C.quick closing valve
D.oil return valve请帮忙给出正确答案和分析,谢谢!
参考答案
正确答案:C