113年:放射器材(2)
關於HDR設備的敘述，下列何者錯誤？
A射源在未伸展時，被儲存於HDR系統內部的安全屏蔽中
B依據國內法規，輻射源擦拭試驗測試值需為74 MBq以下
C在實際射源伸出執行治療前，會先伸出虛擬射線，驗證通道上無障礙物
D依據國內法規，射源停留位置誤差容許值為1 mm以下
詳細解析
` tags as required. The index logic is straight forward. Reference from search result 3, 10, etc. can be formatted, but it's common medical knowledge so I can just cite the generic regulatory fact, though I'll add the specific google search reference footprint if I strictly use it. Actually, search result, mentioned standard wipe test limit 185 Bq. I will cite them. Search result: "超過185 Bq（或0.005 µCi）的結果通常被視為測試失敗" Search result: "185 MBq" context was different, but it confirms standard usage. I will use reference.
Let's refine the reference. Reference 1: Hidex 擦拭測試, URL: from result 10 Wait,
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