铜及铜合金管因热弯时管内填充物不易清理,应采用冷弯。管径大于100mm 者采用压制弯头或( )。A.热弯 B.冷弯 C.预制弯头 D.焊接弯头

作者: tihaiku 人气: - 评论: 0
问题 铜及铜合金管因热弯时管内填充物不易清理,应采用冷弯。管径大于100mm 者采用压制弯头或( )。
选项 A.热弯 B.冷弯 C.预制弯头 D.焊接弯头
答案 D
解析 本题考查的是合金钢及有色金属管道。铜及铜合金管因热弯时管内填充物不易清理,应采用冷弯。管径大于 100mm 者采用压制弯头或焊接弯头 。

相关内容:合金,管因,热弯时,管内,冷弯,管径,压制,弯头,热弯,焊接

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