“jack-engine”的概念、定义、翻译、参考文献-科学参考

单词	jack-engine
释义	jack-engine 小型蒸汽机
随便看	Export Services Division exports of goods and material services export structure export subsidy export substitution export superiority export supply export surplus export target export target system export tax export-tax relief export tender export tender risk avoidance export trade Export Trade Act export trade act export trade bill export trading company (ETC) export unit value index export usance bill export value export volume index export ware expose

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