单项选择题
A.0.3 B.0.2 C.0.4
A.门扇 B.门机 C.门锁 D.门靴
A.门头 B.门机 C.门锁 D.门刀
A.1.80m、0.60m B.1.80m、0.35m C.1.40m、0.60m D.1.40m、0.35m。
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