?沉积法配制试样
回跳法配制试样 sample preparation by recoil 沉积法配制试样 sample preparation by sedimentation 贝他计数配制试样 sample preparation for beta counting ..
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。