49. MC型主機氣壓遙控管路系統,另外再如加設了Safety Air,可在主機轉向不對時,令高壓泵停止噴油,請問該AIR 是屬於何控制區域?
(A)AIR SOURCE
(B)SPEED SETTING LINE
(C)SAFETY DEVICE
(D)CONTROL DEVICE
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統計: A(1), B(1), C(22), D(5), E(0) #3829539
統計: A(1), B(1), C(22), D(5), E(0) #3829539