fused ring compound [有化] 稠环化合物
heterogeneous ring compound 杂环化合物
bridged ring compound 桥环化合物
large ring compound chromatography 大环化合物色谱
many-membered ring compound 多员环化合物
organic ring compound 有机环状化合物
bridge ring compound [有化] 桥环化合物
hydrocarbon ring compound 烃环化合物
o-ring compound O型圈复合体
Different body materials and seal ring compound folder layer are suitable for different medium.
更换阀体材质和密封圈复合夹层可适用不同介质。
PCB (polychlorinated biphenyl) : Any of a class of highly stable organic compounds prepared by the reaction of chlorine with biphenyl, a two-ring compound.
多氯联苯：任何一种由氯与联苯反应生成的非常稳定的二环有机化合物。
Used AgNO3 Standard solution to measure the content of mercapto heterogeneous ring compound and thioureido derivative in acid coppering gloss agent continuously by potentiometric titration.
以硝酸银标准溶液，采用电位滴定法，连续测定酸性镀铜光充剂中的巯基杂环化合物和硫脲衍生物的含量。
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