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to phrases
改进发明
gǎijìn fāmíng
stresses
gen.
усовершенствовать изобретение
patents.
усовершенствование изобретения
改进...发明
gen.
动词 + ~
усовершенствовать
какое-л.
изобретение
改进发明
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5 phrases
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General
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