Cu-based connecting bar
a connecting link between the preceding and the following
connecting link
连接链
联接链节
链连接环
连接片
连杆
连接杆
耦杆
联接杆
承传
wank and connecting link mechanism
combination of fire needle and warm needle moxibustion
Femoral vein single lumen needle and double lumen needle
non-coring injection needle Huber needle
bar machine ice bar freezer