pointer type pressure gauge measurement system yog ib qho kev sib koom ua ke, lub caij nplooj ntoos hlav yeeb nkab, vim qhov kev hloov ntawm kev ntsuas siab los ua ib qho kev hloov pauv ntawm qhov kawg ntawm lub caij nplooj ntoos hlav.
Pointer hom ntsuas siab yog tsim rau kev ntsuas ntawm tsis muaj kev phom sij tawg, tsis crystallize thiab solidify, thiab corrode cov tooj liab alloy kua, roj, chav nruab nrab.






