重复引进

value of merchandise imports duplication value of imports by country of origin effect of lessened imports on economic activity gene duplication chromosome duplication unrestricted imports competitive imports invisible imports sound tape duplication duplication card punch tax surcharge on imports makeup of the imports value of imports amount of imports joint pooling of imports quantum index of imports excess of imports restriction of luxury imports duplication of pelvis Congenital duplication of gallbladder Congenital duplication of liver duplication of name