“development of mechanical industry in the United States”的概念、定义、翻译、参考文献-科学参考

单词	development of mechanical industry in the United States
释义	development of mechanical industry in the United States Encyclopedia 工学﹝外国机械工业﹞释 development of mechanical industry in the United States美国机械工业发展 18世纪末期，美国摆脱了英国的殖民统治，走向独立，这是美国机械工业的起点。
随便看	male gametophyte male germ unit maleic acid maleic anhydride maleimide Malek Haddad male nucleus male parent male parthenogenesis male pronucleus male pronucleus growth factor male reproductive gland male reproductive organ male reproductive system male reproductive system tuberculosis Male Role in Opera male servant male sex-cell male sterile line male sterile technology male sterility male sterility in herbageforage plants male sterility line male sterility(plant) male turban in opera

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