将黑色的(或“参考”)微型鳄鱼夹连接到右腕的电极片上。

Connect the black (or Reference ") alligator clip to the right wrist electrode patch."

youdao

将黑色的(或“参考”)微型鳄鱼夹连接到右腕的电极片上。

Connect the black (or Reference ") alligator clip to the right wrist electrode patch."

youdao