您要查找的是不是：
- N-氯乙酰基-2-甲基-1-氧杂-4-氮杂-螺[4.4]壬烷N-dichloroacetyl-2-methyl-1-oxa-4-aza-spiro-4.4-nonane
- 螺壬烷spironane
- 螺snail
- 烷alkane
- 螺杆screw
- 壬烷nonane
- 螺柱double-screw bolt
- 硅烷silane
- 螺孔screw
- 正己烷n-hexane
- 环己烷cyclohexane
- 螺塞plug screw
- 己烷hexane
- 螺杆泵screw pump
- 戊烷pentane
- 螺牙thread
- 溴壬烷bromononane
- 螺套threaded sleeve
- 辛烷octane
- 幽门螺杆菌H. pylori
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
