普通吊架由()组成。A:紧固螺栓B:卡箍C:吊杆D:支撑结构E:橡胶衬垫

作者: rantiku 人气: - 评论: 0

问题普通吊架由()组成。

选项 A:紧固螺栓 B:卡箍 C:吊杆 D:支撑结构 E:橡胶衬垫

答案 BCD

解析

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