Qhov txawv ntawm eccentric laum ntsis thiab concentric laum ntsis:
1, concentric yeeb nkab drilling cuab yeej vim nws cov phab ntsa sab nrauv thicker, tib lub aperture siv, cuam tshuam lub zog kis tau tus mob tsis zoo li eccentric drilling cuab yeej, tsuas yog nyob rau hauv lub qhov taub yog loj dua, cov nyhuv yog zoo dua, tab sis tus nqi tsim yog. ntau dua eccentric drilling cuab yeej;
2, eccentric yeeb nkab drilling cuab yeej tsis tsuas yog lub qhov taub, thiab cov qauv yooj yim, tsis tshua muaj nqi tsim, siv tau yooj yim, yog li nws tau dav siv.
Post lub sij hawm: Jan-04-2022