1 Npaj ua ntej sib dhos 1.1 Xyuas kom meej tias qhov flange kev twb kev txuas tau xaiv raws li ISO 6162-1 raws li qhov yuav tsum tau ua ntawm daim ntawv thov (xws li ntsuas siab, ntsuas kub thiab lwm yam).1.2 Xyuas kom meej tias cov khoom flange (flange connector, clamp, ntsia hlau, O-ring) thiab cov chaw nres nkoj ua raws li ...
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