... UJT Unijunction Transistor 单结晶体管 UL Underwriters Laboratories Inc 美国保险商实验室颁发机电产品安全保证标志 UL Unipolar Lead 单极导联 ...
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unipolar lead of electrocardiogram 心电图单极导联
left leg augmented unipolar lead 单极加压左腿导联
left arm augmented unipolar lead 单极加压左臂导联
Unipolar Lead Electrocardiography 单极导程心电图第二版
right arm augmented unipolar lead 单极右臂加压导联
unipolar limb lead 单极肢体导联 ; 双极肢体导联
unipolar chest lead 单极胸导联
unipolar extremity lead 单极肢体导联
aull augmented unipolar limb lead 加压单极肢体导联
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