单项选择题X 纠错
A.串联 B.并联 C.混联 D.越区
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单项选择题
A.25m B.30m C.35m D.45m
A.10mm B.20mm C.30mm D.40mm
A.200mm B.240mm C.300mm D.350mm
A.960mm B.1000mm C.1200mm D.1600mm
A.甲亮 B.乙亮 C.一样亮 D.不确定
A.水平状态 B.1/15~1/20 C.略有下俯 D.1/5~1/10
A.2.0 B.2.5 C.3.0 D.4.0
A.0.5% B.1% C.1.5% D.2.0%
A.1/500 B.1/250 C.1/200 D.1/120
A.5% B.8% C.10% D.12%
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