单项选择题
A.0.1~0.2Mpa B.0.15~0.25Mpa C.1.4~1.6Mpa D.1.6~1.8Mpa
A.阀片、阀座处积碳 B.皮带断裂 C.外壳破损 D.离合器坏
(A)0V (B)5V (C)0.1-0.9V (D)0-5V
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