Neutral packing is adopted to ( ).
A. prevent corrosion by acids or alkali
B. break tariff and non-tariff barriers of exporting countries
C. break tariff and non-tariff barriers of importing countries
D. A, B and C are all right
Neutral packing is adopted to ( ).
A. prevent corrosion by acids or alkali
B. break tariff and non-tariff barriers of exporting countries
C. break tariff and non-tariff barriers of importing countries
D. A, B and C are all right
C
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