多項(xiàng)選擇題

關(guān)于凸輪計(jì)數(shù)器說法正確的是()

A.凸輪計(jì)數(shù)器尼輪齒輪的齒數(shù)是10
B.機(jī)艙每轉(zhuǎn)一圈,凸輪計(jì)數(shù)器轉(zhuǎn)17.9
C.凸輪計(jì)數(shù)比為1:2000
D.凸輪計(jì)數(shù)器電阻值為10千歐

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