花时间而且放射量大

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about 70 times regular X ray radiation dosage. -borisg- 给 borisg 发送悄悄话 borisg 的博客首页 (0 bytes) () 02/13/2020 postreply 19:53:56

At least good enough to eliminating --worldance-- 给 -worldance- 发送悄悄话 (178 bytes) () 02/13/2020 postreply 20:24:59

解释的好 -xiaomutou- 给 xiaomutou 发送悄悄话 (0 bytes) () 02/14/2020 postreply 02:51:00

可是现在很多医生都在用它诊断肺炎呀 -xiaomutou- 给 xiaomutou 发送悄悄话 (0 bytes) () 02/14/2020 postreply 02:52:00

好像一位患者要做好多次。真担心那么多辐射 -xiaomutou- 给 xiaomutou 发送悄悄话 (0 bytes) () 02/14/2020 postreply 02:51:00

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