Vee-type engines have the connecting rods from two cylinders

【名词&注释】

凝固点(freezing point)、运行时(run-time)、可燃物质(combustible material)

[单选题]Vee-type engines have the connecting rods from two cylinders connected to each _____ of the crankshaft.

A. throw
B. web
C. main bearing
D. deflection

查看答案&解析

举一反三：

[单选题]______标志着可燃物质的易燃、易爆程度。

A. 闪点
B. 凝固点
C. 燃点
D. 自燃点

[单选题]某水泵运行时进口压力为0.05MPa，排出口压力为0.25MPa，则水泵的扬程约为( )(设1MPa≈100m水柱高)。

A. 20m
B. 25m
C. 30m
D. 35m

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