Ndife akatswiri opanga akhungu a nitrogenic amadzi aku China ku China, akuchita zida zapamwamba komanso magawo apamwamba okhala ndi dongosolo la PLC. Chonde khalani omasuka kugula mtundu wa nayitrogenic yamadzi amtundu wa nayitrogeni pamtengo wopikisana mu fakitale yathu. Lumikizanani ndi US kuti tichite masewera olimbitsa thupi.
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