可编程序心房起搏器
programmable atrio-pacemaker
部分左心房心包切除
partial left atrium and pericardium resect
左心房搏动图
L-ACG (left atria-cardiogram
left atria-cardiogram L-ACG
快速右房起搏
Rapid right atrial pacing
齿轮中心双流传动系统
two-path and load-share sun-geared system
大偏心双曲柄连杆机构
Large eccentric double crank connecting rod mechanism
蜂窝式空心双向板
cellular voided two-way slab