Taw qhia: Hauv cov txheej txheem ntau lawm, qhov kub thiab txias yog ib qho tseem ceeb uas yuav tsum tau ntsuas thiab tswj tau. Hauv kev ntsuas kub, thermocoples tau siv dav. Lawv muaj ntau yam zoo, xws li cov qauv yooj yim, kev ua haujlwm yooj yim, kev ntsuas dav ...
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