改良的babcock试验,测定人乳中脂肪浓度的英文

leffman-beam test

• 改良:    improve; ameliorat ...
• 的:    4次方是 The fourth po ...
• 试验:    experiment; test; ...
• 测定:    determine; determi ...
• 人乳:    human milk
• 中:    hit; fit exactly
• 浓度:    potency; thickness ...