4399免费视频

工(gong)(gong)程和(he)(he)(he)技(ji)(ji)(ji)(ji)術(shu)(shu)(shu)研(yan)究和(he)(he)(he)試驗發(fa)展；環(huan)境保護(hu)(hu)專(zhuan)(zhuan)用(yong)(yong)(yong)(yong)設(she)(she)(she)備(bei)(bei)(bei)銷(xiao)(xiao)(xiao)售(shou)；環(huan)境保護(hu)(hu)專(zhuan)(zhuan)用(yong)(yong)(yong)(yong)設(she)(she)(she)備(bei)(bei)(bei)制(zhi)造(zao)(zao)；水(shui)資(zi)源專(zhuan)(zhuan)用(yong)(yong)(yong)(yong)機(ji)(ji)械設(she)(she)(she)備(bei)(bei)(bei)制(zhi)造(zao)(zao)；軟(ruan)件開發(fa)；人工(gong)(gong)智(zhi)能應用(yong)(yong)(yong)(yong)軟(ruan)件開發(fa)；氣體(ti)、液體(ti)分(fen)離及純凈設(she)(she)(she)備(bei)(bei)(bei)制(zhi)造(zao)(zao)；氣體(ti)、液體(ti)分(fen)離及純凈設(she)(she)(she)備(bei)(bei)(bei)銷(xiao)(xiao)(xiao)售(shou)；家(jia)(jia)用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)器(qi)(qi)銷(xiao)(xiao)(xiao)售(shou)；家(jia)(jia)用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)器(qi)(qi)研(yan)發(fa)；非電(dian)(dian)(dian)力(li)家(jia)(jia)用(yong)(yong)(yong)(yong)器(qi)(qi)具制(zhi)造(zao)(zao)；非電(dian)(dian)(dian)力(li)家(jia)(jia)用(yong)(yong)(yong)(yong)器(qi)(qi)具銷(xiao)(xiao)(xiao)售(shou)；家(jia)(jia)用(yong)(yong)(yong)(yong)電(dian)(dian)(dian)器(qi)(qi)零(ling)配(pei)件銷(xiao)(xiao)(xiao)售(shou)；專(zhuan)(zhuan)用(yong)(yong)(yong)(yong)化(hua)學(xue)(xue)產(chan)品(pin)(pin)制(zhi)造(zao)(zao)（不(bu)含(han)危(wei)險化(hua)學(xue)(xue)品(pin)(pin)）；專(zhuan)(zhuan)用(yong)(yong)(yong)(yong)化(hua)學(xue)(xue)產(chan)品(pin)(pin)銷(xiao)(xiao)(xiao)售(shou)（不(bu)含(han)危(wei)險化(hua)學(xue)(xue)品(pin)(pin)）；以(yi)自有資(zi)金從事(shi)投資(zi)活(huo)動；儀(yi)(yi)器(qi)(qi)儀(yi)(yi)表銷(xiao)(xiao)(xiao)售(shou)；電(dian)(dian)(dian)子產(chan)品(pin)(pin)銷(xiao)(xiao)(xiao)售(shou)；新型膜材料(liao)銷(xiao)(xiao)(xiao)售(shou)；技(ji)(ji)(ji)(ji)術(shu)(shu)(shu)服務(wu)(wu)(wu)、技(ji)(ji)(ji)(ji)術(shu)(shu)(shu)開發(fa)、技(ji)(ji)(ji)(ji)術(shu)(shu)(shu)咨詢、技(ji)(ji)(ji)(ji)術(shu)(shu)(shu)交流(liu)、技(ji)(ji)(ji)(ji)術(shu)(shu)(shu)轉(zhuan)讓、技(ji)(ji)(ji)(ji)術(shu)(shu)(shu)推廣；塑料(liao)制(zhi)品(pin)(pin)銷(xiao)(xiao)(xiao)售(shou)；物(wu)聯網(wang)(wang)技(ji)(ji)(ji)(ji)術(shu)(shu)(shu)研(yan)發(fa)；物(wu)聯網(wang)(wang)技(ji)(ji)(ji)(ji)術(shu)(shu)(shu)服務(wu)(wu)(wu)；計算機(ji)(ji)軟(ruan)硬件及輔助(zhu)(zhu)設(she)(she)(she)備(bei)(bei)(bei)零(ling)售(shou)；信(xin)息系(xi)統集成服務(wu)(wu)(wu)；數據處理和(he)(he)(he)存(cun)儲支持服務(wu)(wu)(wu)；電(dian)(dian)(dian)工(gong)(gong)儀(yi)(yi)器(qi)(qi)儀(yi)(yi)表制(zhi)造(zao)(zao)；電(dian)(dian)(dian)工(gong)(gong)儀(yi)(yi)器(qi)(qi)儀(yi)(yi)表銷(xiao)(xiao)(xiao)售(shou)；儀(yi)(yi)器(qi)(qi)儀(yi)(yi)表制(zhi)造(zao)(zao)；互聯網(wang)(wang)銷(xiao)(xiao)(xiao)售(shou)（除銷(xiao)(xiao)(xiao)售(shou)需要許可的商品(pin)(pin)）；智(zhi)能基礎制(zhi)造(zao)(zao)裝(zhuang)備(bei)(bei)(bei)銷(xiao)(xiao)(xiao)售(shou)；通訊設(she)(she)(she)備(bei)(bei)(bei)銷(xiao)(xiao)(xiao)售(shou)；機(ji)(ji)械設(she)(she)(she)備(bei)(bei)(bei)租賃；機(ji)(ji)械零(ling)件、零(ling)部(bu)件銷(xiao)(xiao)(xiao)售(shou)；專(zhuan)(zhuan)用(yong)(yong)(yong)(yong)設(she)(she)(she)備(bei)(bei)(bei)制(zhi)造(zao)(zao)（不(bu)含(han)許可類專(zhuan)(zhuan)業設(she)(she)(she)備(bei)(bei)(bei)制(zhi)造(zao)(zao)）；洗車設(she)(she)(she)備(bei)(bei)(bei)制(zhi)造(zao)(zao)；分(fen)布(bu)式(shi)交流(liu)充(chong)電(dian)(dian)(dian)樁銷(xiao)(xiao)(xiao)售(shou)；計算機(ji)(ji)軟(ruan)硬件及輔助(zhu)(zhu)設(she)(she)(she)備(bei)(bei)(bei)批發(fa)；廣告(gao)發(fa)布(bu)（非廣播電(dian)(dian)(dian)臺、電(dian)(dian)(dian)視臺、報(bao)刊出版單(dan)位）；廣告(gao)制(zhi)作