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單項選擇題

BCD-88V-62H中的88代表（）

A.容積
B．價格
C．電壓
D．頻率

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單項選擇題

若Uab=3V，則Va（）Vb

A.=
B．<
C．>
D．無法確定

油箱、管路、壓力表等裝置屬于液壓傳動的輔助部分。

答案：正確

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