Liyini ipayipi elinejakhethi leVacuum? Ipayipi elinejakhethi ye-vacuum (VJP), eyaziwa nangokuthi i-vacuum insulated piping, iwuhlelo lwamapayipi olukhethekile olwakhelwe ukuthuthwa okusebenzayo koketshezi lwe-cryogenic olufana ne-nitrogen ewuketshezi, umoya-mpilo, i-argon, ne-LNG. Ngesendlalelo esivalwe ngevacuum...
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