维修性包括（）。Ⅰ.易拆卸性、可达性；Ⅱ.可还原性、通用性；Ⅲ.可

【名词&注释】

可达性(accessibility)、通用性(generality)、可互换性(interchangeability)

[单选题]维修性包括（）。Ⅰ.易拆卸性、可达性；Ⅱ.可还原性、通用性；Ⅲ.可互换性、适检性

A. Ⅰ+Ⅱ
B. Ⅰ+Ⅲ
C. Ⅱ+Ⅲ
D. Ⅰ+Ⅱ+Ⅲ

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学习资料：

[单选题]关于吊缸拆卸顺序，不正确的操作是（）。

A. A．先易后难
B. B．先附属后主体
C. C．先上后下
D. D．先内后外

[单选题]（）, so they are widely used on board ship nowadays.

A. Diesel engines have more advantages in comparison with gasoline engines
B. Diesel engines have more advantages in comparison to gasoline engines
C. Gasoline engines have more advantages in comparison with diesel engines
D. Gasoline engines have more advantages in comparison to diesel engine

[单选题]For a continuous operation diesel engine, a duplex filter unit would be the best arrangement because （）.

A. changing filter elements would not interrupt engine operation
B. filtering occurs twice in each pass of oil through the system
C. clogging will not occur
D. dropping pressure is half of that through a single filter unit

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