管道过热灯亮时(DUCT OVERHEAT),哪个过热电门闭合:
2023-12-0121
管道过热灯亮时(DUCT OVERHEAT),哪个过热电门闭合:
A.190℉/88℃
B.210℉/99℃
C.250℉/121℃
D.390℉/199℃
正确答案是A

管道过热灯亮时(DUCT OVERHEAT),哪个过热电门闭合:
A.190℉/88℃
B.210℉/99℃
C.250℉/121℃
D.390℉/199℃
正确答案是A