单选题标准货固定式系固设备中专用于固定底座扭锁的底座是:()A突出式底座B埋入式底座C燕尾底座D板式底座
单选题
标准货固定式系固设备中专用于固定底座扭锁的底座是:()
A
突出式底座
B
埋入式底座
C
燕尾底座
D
板式底座
参考解析
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