单项选择题
A.0.9m B.1.0m C.1.1m D.1.2m
A.0.9h B.1.0h C.1.2h D.1.5h
A.推拉门 B.卷帘门 C.转门 D.平开门
A.100mm B.120mm C.150mm D.180mm
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