正确答案:

题目：凡是能与空气中的氧气或其他氧化剂发生燃烧反应的物质称为可燃物。

解析：√

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学习资料的答案和解析：

[单选题]Diesel engine electric starting motors generally require heavier duty motors and motors and operate at higher voltages than comparable starting motors for gasoline engines due to _____________.

higher compression pressures

[单选题]Will we connect the motor with the fresh water pump? No, the pump is ( )_

out of order

[单选题]需拆检排污管系时，由＿分工负责。

三管轮

[单选题]_______应与活塞中心线垂直相交，垂直度要求不大于0.025mm/100mm，位置度要求：活塞直径200mm时应不大于0.10mm；活塞直径＞200mm时应不大于0.20mm

活塞销孔中心线