The blended chips containing 10 % ~65 % of n - Eicosane were fabricated with n - Eicosane, polyethylene ( PE ) and ethylene - propylene copolymer. 以正二十烷 、 聚乙烯和乙丙橡胶等为原料经熔融挤出,制成正二十烷含量10%~65%的共混切粒.
Crowds shouted and pushed to get a glimpse of their hero.为了一睹英雄的风采，人群喊叫着，推搡着。Below us you could glimpse the rooftops of a few small villages.我们可以瞥见脚下一些小村庄的屋顶。He caught a glimpse of the man's face in a shop window.他在...