... 挤乳前脉动器 pre-milk pulsator 乳熟前期 premilk stage 挤乳前按摩器 pre-milk stimulator ...
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The DM effective degradability of milk stage was higher 7.78(P<0.05)percent point than premilk stage's effective degradability.
乳熟期玉米青贮DM的有效降解率比乳熟前期高7.78个百分点（P<0.05）。
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