比较不常见的浸蚀多聚物的化学浸蚀物有酸 、 碱.Less common reagents that attack polymers include acids, bases.简要介绍了磁性纳米颗粒 、 硅纳米 颗粒及阳离子多聚物颗粒等的研究进展.The magnetic nanoparticle, silica nanoparticle and poly - cation nanoparticle were introduced bri...
Introduced in the paper is a newly developed centring - roll system used on rotary pipe mill.介绍了一种用于斜轧钢管生产的新式定心辊装置.Mainly applied in electric control system of masticator, banbury mixer , and other roll mill etc.我需要“密炼机 ...
I don't want him to feel forsaken and unhappy.我不想让他感到被抛弃而不快乐。He was forsaken smoking for years.他戒烟已有多年了.He doubted their claim to have forsaken military solutions to the civil war...他对他们声称已经放弃通过武力解决内战感到怀疑。I don'...