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單項(xiàng)選擇題

The starting air system usually has （） to prevent starting if anything is not in order.

A.drain cocks
B.vent valves
C.counteracts
D.interlocks

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單項(xiàng)選擇題

The space between cylinder liner and jacket is called （）.

A.the cooling water
B.the circulating water
C.the cooler
D.the cooling water space

單項(xiàng)選擇題

The space between cylinder liner and jacket is called （）.

A.the circulating tank
B.the scavenge box
C.the cooling water space
D.the cooler

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