An aluminum piston has lower inertia and higher coefficient

【名词&注释】

柴油机(diesel engine)、气缸套(cylinder liner)、填料函(stuffing box)、活塞杆(piston rod)、二冲程(two-stroke)、排气口(exhaust port)

[单选题]An aluminum piston has lower inertia and higher coefficient of （） compared to that of cast iron.

A. viscosity
B. twisting moments
C. inertia
D. thermal expansio

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学习资料：

[单选题]二冲程^(two-stroke)直流扫气式柴油机吊缸时不检查（）。

A. 排气口^{(exhaust port)}
B. 活塞组件
C. 气缸盖、气缸套
D. 活塞杆及填料函

[单选题]Modern engines （） exhaust gas driven turbo-chargers to supply pressurized fresh air for scavenging and supercharging.

A. are made of
B. are made from
C. make use of
D. are used to

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