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[单选题]
25型车的MONOGRAM集便器低气压测试:供风压力调整到小于()、进行一次冲洗、观察3min15s±20s后、系统应无法再次进行冲洗。
A.(510±50)kPa
B.(200±30)kPa
C.(340±30)kPa
D.(950±50)kPa
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A.(510±50)kPa
B.(200±30)kPa
C.(340±30)kPa
D.(950±50)kPa
A.3min
B.4min
C.2min
D.17min
A.2min15s±20s
B.3min15s±20s
C.5min45s±20s
D.1min15s±20s