Rheological property of the blent system of modified konjac glucomannan and styrene - acrylic emulsion is studied.研究了改性魔芋葡甘聚糖与 苯丙 乳液共混体系的流变性能.Most polymer emulsion may coagulate when they enter waste streams.多数聚合物乳浊液在进入废...
她轻声哼唱了一支摇篮曲。She gently crooned a lullaby.在他小时候, 我常常给他唱摇篮曲.When he was a little lad, I used to sing him lullabies.母亲正对着婴儿哼着摇篮曲.The mother was crooning a lullaby to her baby....