Cov kev cai ntawm kev txheej:
1. Dzaj duab xis eco
2. Wpob ntseg tsis kam, khawb tsis kam, corrosion tsis kam, oxidation tsis kam thiab lwm yam kev ua yeeb yaj kiab
3. Ativ thaiv cov ntiv tes, tiv thaiv dej thiab tiv thaiv-zaj duab xis ua qias neeg
Cov Ntsiab Lus Tseem Ceeb ntawm Zhenhua Program:
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Muab cov khoom siv txheej thiab kev txhawb nqa kev siv tshuab txheej rau cov chaw tsim khoom lag luam thiab cov neeg siv khoom.
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Muab cov khoom siv txheej thiab kev txhawb nqa kev siv tshuab txheej rau cov chaw tsim khoom lag luam thiab cov neeg siv khoom.
