·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
N a spike for separating strands of rope in splicing 支撑材 [nautical]
Non-methane hydrocarbons in the gas sample are analyzed simultaneously by GC with double columns and double FIDs.
介绍了用双柱双氢火焰离子化检测器同时进样气相色谱法分析气体样品中非甲烷烃。
youdao
应用推荐
模块上移
模块下移
不移动