upgrading and updating of products 中文意思是什麼
upgrading and updating of products
解釋
產品升級換代-
As a operation special vehicle project of the high starting point, it have signed the technological cooperative agreement with the international famous special - purpose automobile enterprises of such coun tries as the company and australia, u. s. a., germany, etc. and have laid the solid foundation forthe technological progress and updating and upgrading of products
為高起點運作專用汽車項目，公司與澳大利亞、美國、德國等國家的國際知名專用汽車企業簽訂了技術合作協議，為技術進步和產品升級換代打下了堅實基礎。
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