单选题Which of the following methods is used to prevent throttling of compressed air through the diesel engine air starting valves?（）AHolding the valve open for a long periodBIncreasing the starting air pressure usedCOpening the stating air valve quicklyDReducing the starting air valve size
单选题
Which of the following methods is used to prevent throttling of compressed air through the diesel engine air starting valves?（）
A
Holding the valve open for a long period
B
Increasing the starting air pressure used
C
Opening the stating air valve quickly
D
Reducing the starting air valve size
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