- 搜標(biāo)題
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單項(xiàng)選擇題
The piston cooling system may employ similar components, except that a drain tank is used instead of a head tank That means this system （）.
A.doesnt use a drain tank but a head tank
B.uses a drain tank not head tank
C.uses a drain tank and a head tank
D.uses neither a drain tank nor a head tank
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