Construction of Recombined Plasmid Carrying Two Bacillus thuringiensis cry Genes with Kanamycin Resistant Gene and Bioassay of Their Co-expression Insecticidal Activities in Escherichia coli是什么意思_Construction of Recombined Plasmid Carrying Two Bacillus thuringiensis cry Genes with Kanamycin Resistant Gene and Bioassay of Their Co-expression Insecticidal Activities in Escherichia coli在线翻译_英语_读音_用法_例句