Qhov muag tsis pom flanges yog ib qho tseem ceeb hauv cov kav dej, feem ntau siv los kaw qhov qhib hauv cov kav dej lossis cov hlab ntsha rau kev saib xyuas, tshuaj xyuas, lossis tu. Txhawm rau kom ntseeg tau qhov zoo, kev nyab xeeb thiab kev sib hloov ntawm qhov muag tsis pom flanges, Lub Koom Haum Thoob Ntiaj Teb rau Standardization (ISO) thiab lwm yam ...
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