网站首页 词典首页
Test and application active and porous agent ( APA ) in the production of single superphosphate were introduced.
介绍了在过磷酸钙中添加活化疏松剂的试验情况及运用效果.
互联网
英汉双解词典包含4367426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。