游离壁

应用自制复合电极同步记录兔左心室游离壁三层心肌的单相动作电位

free the gate

duty-free

flat-bed sewing machine, free-arm sewing maschine

Supplemented Free Wanderer Powder

free(association)

soil free water

Serum-free and Specialty Media and Reagent

by-pass check valve (free-wheeled check valve)