According to different blend which mixes in, may “the powder rub” three kinds of active cement: One is the cement clinker and the admixture rubs according to certain allocated proportion powder obtains “the activation cement”; Two, mixes the material and the admixture rubs according to certai...
activated charcoal词源英文解释 The first known use of activated carbon was in 1921 activated charcoal 例句 1.Conclusion: Activated charcoal powder is an effective method in estimating the function of maxillary sinus cilia. 结论: 用活性碳检测上颌窦黏膜纤毛运动是一种有效判断纤毛功能的方法. ...