Akwụkwọ a na-ewebata echiche teknụzụ nke mmepe nke valve electroplating
Akwụkwọ a na-ewebata echiche teknụzụ nke mmepe nke valvụ electroplating atọ yuan ethylene propylene ọkụ ọkpọkọ na-emechi mgbanaka roba, 63-65 Shaw A,15MPA, nrụgide mgbe niile na-erughị 25% nke atụmatụ ogige dị ọnụ ahịa. Mmiri (gas, mmiri ...
lee nkọwa