题目内容

下面哪个不是广播信道()

A. FCCH
B. SCH
C. BCCH
D. RACH

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什么叫做“三线建设”?

仪器过偏心,喇叭口起速不得超过多少?

The device used to limit engine torque at various engine speeds is called a ()

A. speed limiting governor
B. variable speed governor
C. constant speed governor
D. load limiting governor

微孔过滤采用塑料烧结管滤元时,其过滤器操作压力应小于()MPa,温度不能超过60℃。

A. 0.1
B. 0.2
C. 0.3
D. 0.4

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