患者男性,59岁,缺失,余留牙均健康
上设置的固位体是()
A.双臂卡环
B.三臂卡环
C.回力卡环
D.圈形卡环
E.RPI卡环
参考答案:E
Notice of readingness to load must be served()the charterer or his agent.
A.to
B.for
C.at
D.on
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