Cov kev cai ntawm kev txheej:
1. PECVD thev naus laus zis siv rau txheej txheej tiv thaiv, uas yog kev tiv thaiv oxidation, kev kub siab thiab kev tiv thaiv corrosion
2. kho raws li cov neeg siv khoom xav tau
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 kev daws teeb meem zoo, zoo, thiab pheej yig rau kev tsim kho tshiab tas mus li thiab kev loj hlob ntawm kev lag luam.
