?丙烯酸塑料小球
acrylic sphere 丙烯酸塑料小球; 聚丙烯球..
?聚丙烯球
acrylic sphere 丙烯酸塑料小球; 聚丙烯球...
丙烯酸塑料小球
The heavy water is held in an acrylic sphere, and is surrounded by a network of nearly 10, 000 photomultiplier tubes.
ECONOMIST: The news that neutrinos have mass is both good and bad
英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。