关于ortho的百科

• ortho造句怎么写

• methylortho-benzoylbenzoateortho-isopropylphenyl-methylcarbamateDinitrationsoccurredattwoortho-positionsorbothortho-andpara-positionstothehydroxygroupwithlongerreactiontimethanmononitration.Theortho-modetransduceradoptsthedesignideaofsquarewaveguides...
• 2018-01-1821313