The cooling agent used in the cold is liquid nitrogen (the cooling temperature can reach -190 ~ 195 ° C), the liquid ammonia (the cooling temperature can reach -120 ° C), and the dried ice and alcohol (the cooling temperature […]
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The pressure machine assembly is used for the cooperation of the proliferation
Domingo, octubre 9, 2022The different shafts of the universal shaft may be radial displacement
Miércoles, agosto 3, 2022When the couplet is found to be positive, the principle of similar triangle can be used, and the impact of the facade clearance can be used to take into account the impact of the facade.03mm; The facial clearance error is […]